Read the case study on the Magaliesberg Mountains in FIGURE 2.1 before answering the questions that follow. Resistant layer Lass resistant rock 2.1.1 A + 2.1.2 B The rocks of the Bushveld Igneous Complex contains the world's richest source of platinum group minerals, chromite and vanadium. The Magaliesberg Mountains Lie about 40 km north-west of Tswane. The Mountains are the Southern boundary of the Bushveld Igneous Complex. It formed over 2 000 million years ago. It is a huge saucer-shaped intrusion. Identify the structural landform depicted in FIGURE 2.1. Identify the slopes labelled A and B on the landform. Refer to F (1 x 1) (1) (2 x (2) 2.2.1 2.2.2​

Answers

Answer 1

The structural landform that is shown in the text  is an intrusive igneous landform, and it is known as a saucer-shaped intrusion.

What are the rock?

Landforms refer to characteristics present on the surface of the Earth, comprising geographical elements like hills, gorges, flatlands or highlands.

According to the details given in the question, is identified as the Bushveld Igneous Complex, an intrusive igneous landform that emerged more than two billion years ago. The gigantic intrusion, shaped like a saucer, comprises the planet's most abundant reserves of chromite, vanadium, as well as that of platinum group minerals.

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Related Questions

Identify the distance in centimeters of each geologic time period from the Precambrian time to the Cenozoic era. Every 1 million years is one centimeter

Answers

The time span between 4.6 billion years ago and the start of the time frame is known as the Precambrian period.

According to legend, the Precambrian period commenced 4.6 billion years ago, when the Earth began its journey to take shape. It persisted until the starting point of the Cambrian epoch, 541 million years ago was the time span.

80–90% of the geologic past of the planet is represented by the Precambrian epoch. The Precambrian epoch has a length of 4.056 billion years and is 300 centimetres in centimetres. Precambrian were thus 300 centimetres longer than the remainder of the measurement and happened before Cambrian.

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at what tectonic setting is hawaii located? view available hint(s)for part a at what tectonic setting is hawaii located? oceanic hot spot transform boundary convergent oceanic-continental convergent oceanic-oceanic divergent oceanic-oceanic

Answers

Hawaii is located at an oceanic hot spot tectonic setting. Hence, first hint is correct.

Lithology, chemistry, and preservation of deposit collections in their depocenters, the sedimentary basins, are primarily controlled by the tectonic context. The features that can form along plate tectonic boundaries include deep ocean trenches, volcanoes, island arcs, undersea mountain ranges, and fault lines. A large portion of the intraplate volcanism that is observed in the ocean basins is caused by oceanic hotspots, which are the surface manifestation of rising mantle plumes from the Earth's interior.

An illustration of a hotspot track is the Hawaiian Islands and the chain of seamounts that extends for around 6,000 kilometers (3,750 miles) into the northwest Pacific Ocean. The youngest and most active volcano in the group is on Hawaii Island.

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Final answer:

Hawaii is located at an oceanic hot spot, a place far from plate boundaries where heat is continuously rising from Earth's interior. This hot spot has been active for over 100 million years and has created a chain of volcanic islands including Hawaii. The heat from this hotspot maintains three active volcanoes on the island.

Explanation:

Hawaii is located at an oceanic hot spot. A hot spot is an area far from plate boundaries where heat is continuously rising from the Earth's interior. The Hawaiian hot spot is well-known and has been active for at least 100 million years.

As a result of this activity, a chain of volcanic islands which is 3500-kilometers-long, including Hawaii, was formed. The heat feed from the hot spot maintains three active volcanoes, with two on land and one under the ocean. Some of the tallest volcanoes are situated in Hawaii; these volcanoes are among the largest individual mountains on Earth, with more than 100 kilometers in diameter and rising 9 kilometers above the ocean floor.

Plate movements have many impacts on Earth's geology. In the case of Hawaii, these tectonic shifts have led to its being situated above a hot spot, leading to its notable volcanic activity and unique geography.

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ideas about national identity expressed in architecture

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Architecture is not just about aesthetics or functionality but also has a profound impact on how we perceive our national identity and understand our history.

Architecture plays a significant role in shaping national identity as it serves as a tangible representation of a country's culture and history.

The design, materials, and construction of buildings can reflect the values, beliefs, and traditions of a particular society. For instance, the Gothic architecture of Europe during the Middle Ages symbolized the power and influence of the Catholic Church.

Moreover, architecture also helps us understand history by providing a glimpse into the past. The structures and landmarks that have survived the test of time often serve as historical artifacts that tell us stories about the people and events that have shaped a nation. For example, the pyramids of Egypt not only showcase the advanced engineering skills of the ancient Egyptians but also offer insights into their religious and cultural beliefs.

In conclusion, architecture is not just about aesthetics or functionality but also has a profound impact on how we perceive our national identity and understand our history.

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—-------- Correct question format is given below —--------

(Q). How architecture shapes national identity and helps us understand history?

Architecture has always been a powerful means of expressing ideas about national identity. Through the design of buildings and structures, architects have the ability to communicate a country's values, beliefs, and aspirations.


In addition to using symbols and motifs, architects also express ideas about national identity through the materials they use and the forms they create. For example, many countries have unique building styles that are associated with their national identities, such as the traditional wooden houses of Norway or the whitewashed buildings of Greece. By incorporating these styles and materials into their designs, architects can create structures that not only reflect the values and beliefs of a country but also help to reinforce a sense of national identity among its people.


Overall, ideas about national identity are expressed in architecture in a variety of ways, from the use of symbols and motifs to the materials and forms used in construction. By paying attention to these elements, architects can create buildings and structures that not only serve functional purposes but also help to reinforce a sense of national identity and pride.

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Why did the U.S. Geological Survey (USGS) issue a volcanic hazard warning for Mammoth Lakes in 1982?

Answers

The U.S. Geological Survey (USGS) issued a volcanic hazard warning for Mammoth Lakes in 1982 due to an increase in earthquake activity, ground deformation, and the release of volcanic gases. These factors indicated the potential for a volcanic eruption in the area, prompting the warning to ensure public safety and awareness.

The U.S. Geological Survey (USGS) issued a volcanic hazard warning for Mammoth Lakes in 1982 because of increased volcanic activity in the area. The warning was in response to a series of earthquakes and ground deformations that indicated a possible eruption from the Long Valley Caldera, which is located near Mammoth Lakes. The USGS also noted the presence of gas emissions and changes in the chemistry of the groundwater, which further supported the possibility of an eruption. As a result, the USGS advised residents and visitors to be prepared for a potential volcanic event and to be aware of the hazards that could result, including ashfall, pyroclastic flows, and lahars. Ultimately, no eruption occurred, but the warning served as a reminder of the potential risks associated with living near active volcanic areas.

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Volcanologists have estimated that about ______ people have died by volcanic activity in the past 500 years.

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Volcanologists have estimated that about 275,000 people have died by volcanic activity in the past 500 years. This number includes both direct and indirect deaths caused by volcanic eruptions.

Direct deaths are those caused by the physical effects of the eruption, such as lava flows, pyroclastic flows, and ash fall. Indirect deaths are caused by secondary effects such as famine, disease outbreaks, and mudflows triggered by volcanic activity.

The number of deaths caused by volcanic eruptions varies greatly depending on the severity and location of the eruption. Some of the deadliest volcanic eruptions in history include the eruption of Mount Tambora in Indonesia in 1815, which killed an estimated 71,000 people, and the eruption of Mount Pelée in Martinique in 1902, which killed approximately 30,000 people.

In recent years, advances in technology and monitoring systems have allowed volcanologists to better predict and prepare for volcanic activity, potentially reducing the number of fatalities. However, volcanic eruptions remain a serious threat to communities living in close proximity to active volcanoes. It is important for governments and local authorities to have effective evacuation plans in place and for individuals to be aware of the risks and take necessary precautions.

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If you pull on a rubber band it will change shape. The pull on the band is an example of applied _________.
a) stress
b) viscosity
c) strain
d) brittleness

Answers

If you pull on a rubber band it will change shape. The pull on the band is an example of applied stress.

Applied stress is a force that is applied to a material, causing it to deform or change shape. This can occur through tension, compression, or shear. The resulting change in shape or deformation is known as strain. The amount of deformation that occurs depends on the strength and stiffness of the material, as well as the magnitude and direction of the applied stress. Materials can behave differently under different types of stress, and this can have important implications for their performance and durability.

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Both rivers and glaciers can shape landscapes through the process of erosion and __________.

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Both rivers and glaciers can shape landscapes through the process of erosion and deposition. they can both deposit this sediment and rocks elsewhere, forming new landforms. Conclusion: In conclusion, both rivers and glaciers play a significant role in shaping landscapes through the process of erosion and deposition.

Erosion is the process by which rocks and soil are worn away and transported to different locations, while deposition is the process by which those materials are eventually dropped off and accumulate in new areas. Rivers erode the landscape by wearing away the banks and beds, and glaciers erode by scraping and plucking rock and soil. The eroded materials are then carried by the rivers and glaciers and later deposited, creating new landforms and shaping the landscape. the key processes by which rivers and glaciers shape landscapes are erosion and deposition. These processes work together to wear away and transport materials, eventually creating new landforms and altering the landscape.

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What texture would you expect a thin, dark-coloured igneous sill across a valley to have?

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If there is a thin, dark-colored igneous sill across a valley, we would expect its texture to be fine-grained. This is because igneous rocks form when molten rock or magma cools and solidifies. The texture of igneous rocks depends on the rate of cooling. If the cooling is slow, the crystals have more time to grow, resulting in a coarse-grained texture. However, if the cooling is rapid, the crystals have less time to grow, resulting in a fine-grained texture.

In the case of a thin sill, it is likely that the cooling was relatively rapid, as there was not enough volume of magma to retain heat and cool slowly. As a result, the crystals in the igneous rock would be smaller and the texture would be fine-grained. The dark coloration of the sill suggests that it is composed of mafic minerals such as pyroxene and olivine, which are characteristic of basaltic rocks. These minerals also tend to have a fine-grained texture.

Overall, we would expect a thin, dark-coloured igneous sill across a valley to have a fine-grained texture due to the rapid cooling of the magma that formed it.

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What environmental condition is reduced on a batholith in order to generate weathering via sheeting?
A)Pressure
B) Heat
C)Moisture
D) Mineral content

Answers

The environmental condition reduced on a batholith to generate weathering via sheeting is:
A) Pressure

Sheet joints are fractures that develop in rock due to the release of pressure from overlying layers or due to uplift of the rock mass. Batholiths are large bodies of intrusive igneous rock that are formed from magma that cools and solidifies deep within the Earth's crust. As the magma cools and solidifies, it expands and contracts, causing stress and pressure to build up within the rock. Over time, this pressure can cause the rock to fracture along sheet joints. When the pressure is released, the rock expands and the fractures open up, creating sheets of rock that can peel away from the surface. This process is known as exfoliation or sheeting. Therefore, reducing the pressure on a batholith can lead to the generation of weathering via sheeting.

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In 1991, about 400 ______ events were observed prior to the eruption of Mount Pinatubo. In hindsight, it appears the frequency of these events could have been used to predict the volcanic eruption.

Answers

In 1991, about 400 seismic events were observed prior to the eruption of Mount Pinatubo. These events were caused by the movement of magma and gases beneath the volcano, which eventually led to the eruption.

It appears that the frequency of these events could have been used to predict the volcanic eruption. The increase in the number of seismic events indicated that the volcano was becoming more active, and this could have been used as a warning sign.

There were limited resources available to monitor the volcano, and the significance of these events was not fully understood. Today, with the advancements in technology and the understanding of volcanic activity, it is possible to monitor volcanoes more effectively and use the data to predict eruptions with greater accuracy.

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How would you divide the United States into cultural regions?

Answers

Answer:

The United States can be divided into cultural regions based on a variety of factors, including history, geography, language, religion, and cuisine. One common method of dividing the United States into cultural regions is by using the nine regions defined by the Census Bureau: New England, Mid-Atlantic, South Atlantic, East South Central, West South Central, East North Central, West North Central, Mountain, and Pacific. These regions are based on a combination of historical settlement patterns, geographic features, and cultural characteristics. Another method is to use the concept of the "cultural hearth," which refers to the geographic origins of a particular culture or way of life. For example, the concept of the "Western" cultural region is often associated with the frontier and the cowboy way of life, while the "Southern" cultural region is associated with the Civil War and the legacy of slavery. Ultimately, any attempt to divide the United States into cultural regions will be somewhat arbitrary and subjective, and will depend on the specific criteria used.

Explanation:

A rock that contains a metal or economically useful mineral is called a(n) ___________.

Answers

The rock that contains a metal or economically useful mineral is called an ore. Ores are formed through various geological processes, including hydrothermal activity, sedimentation, and volcanic activity.

These processes can result in the concentration of minerals within a rock, making it economically viable to extract the valuable mineral. It is essential to note that not all rocks contain minerals that are economically useful. Some rocks may have minerals that have no value, while others may have minerals that are not yet discovered. Moreover, the presence of an ore deposit does not necessarily mean that the mineral is easy to extract. Mining and extraction of valuable minerals from ores can be a complex process that requires significant resources and expertise. In conclusion, the term ore refers to rocks that contain economically valuable minerals. Understanding the formation and characteristics of ores is crucial in the exploration, extraction, and processing of these minerals.

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In general how often the most cinder cones erupt?

Answers

Cinder cones are relatively small and simple volcanoes that are formed by the eruption of lava fragments that are ejected from a single vent. While they may not be as famous or as large as stratovolcanoes like Mount St. Helens or Mount Fuji, cinder cones can still be very active and pose a significant hazard to nearby communities.

In general, the frequency of cinder cone eruptions varies depending on a number of factors, such as the magma composition, the size of the volcano, and the local geologic setting. Some cinder cones can erupt frequently, with intervals of only a few years or decades between eruptions, while others may remain dormant for hundreds or thousands of years. Some cinder cones may also have a series of small, low-intensity eruptions followed by longer periods of quiescence, while others may have a single large eruption that completely destroys the cone. Therefore, it is difficult to give a definitive answer to how often the most cinder cones erupt, as it depends on a variety of factors unique to each individual volcano.

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A measure decreases in the amount of outgassing from a volcano means that ______.

Answers

The volcano is less likely to erupt

Where's Fernvale located in Singapore Map

Answers

Answer:

Fernvale is located in Australia, in the state of Queensland.

Fernvale is located in the northeastern region of Singapore, in the Sengkang planning area. It is situated between Jalan Kayu and Sengkang West Road, and is adjacent to the Punggol Reservoir.

What coal is soft, black in color, and produces soot upon handling?
A)bituminous
B) low-grade
C)lignite
D)peat
E)anthracite

Answers

Bituminous coal is soft, black in color, and produces soot upon handling. The answer is A) bituminous coal.

Bituminous coal is a plentiful coal type found in the United States, characterized by its soft and black composition. It falls between sub-bituminous coal and anthracite coal in terms of its rank. Widely used for electricity generation and as a heat source, bituminous coal is highly valued for its energy content. However, when burned, it emits a considerable amount of soot, contributing to air pollution and potential health concerns. Despite its drawbacks, bituminous coal remains a vital resource in the energy sector due to its abundance and ability to generate power and heat.

The answer is A) "Bituminous ".

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Suppose that an intermediate succession plant is surrounded by early succession plants and grows 0.5-inches per day. A flood comes through, removing the early succession plants, but not the intermediate succession plant, which has deeper roots. The intermediate succession plant is then observed to grow 1-inch per day. This observation indicates that early succession plants have a _______ effect on the intermediate succession plant and is most consistent with the _______ model of succession.
A. positive; facilitation
B. positive; tolerance
C. negative; tolerance
D. negative; inhibition

Answers

"This observation indicates that early succession plants have a negative effect on the intermediate succession plant, and is most consistent with the inhibition model of succession." The correct answer is option D: negative; inhibition.

The fact that the intermediate succession plant grew faster after the early succession plants were removed suggests that the early succession plants were inhibiting its growth, likely through competition for resources. This is consistent with the inhibition model of succession, which suggests that early succession species inhibit the growth of later succession species.

What is a model of succession?

The model of succession refers to the concept that describes the predictable changes that occur in the composition and structure of ecological communities over time. Ecological succession is a gradual process of change in the species composition of an ecosystem, resulting from disturbances, such as fires, floods, or human activities.

The correct answer is option D: negative; inhibition.

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True or false: Monitoring seismic waves and ground deformation are surefire methods for predicting impending volcanic eruptions.

Answers

False. While monitoring seismic waves and ground deformation can provide valuable information about volcanic activity, they are not foolproof methods for predicting impending eruptions.

Other factors such as gas emissions and changes in water chemistry also need to be considered, and even then, eruptions can still occur with little warning. Therefore, it is important to constantly monitor volcanic activity and take precautionary measures to ensure the safety of nearby populations.

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Igneous rocks composition have____ and _____ Relative to mafic igneous rocks

Answers

Igneous rocks composition can vary greatly, but generally speaking, they can be classified as either mafic or felsic. Mafic igneous rocks are characterized by their high content of magnesium and iron, and are typically dark-colored and heavy. In contrast, felsic igneous rocks are rich in silica, potassium, and sodium, and are generally lighter in color and weight.

When comparing the composition of igneous rocks to mafic igneous rocks specifically, one key difference is in their silica content. Mafic igneous rocks have a lower silica content compared to other igneous rocks, which can affect their physical and chemical properties. For example, mafic igneous rocks tend to be more dense and have higher melting points than felsic igneous rocks due to their composition. Additionally, mafic igneous rocks tend to have higher concentrations of certain minerals such as olivine, pyroxene, and plagioclase. These minerals can affect the physical and chemical properties of the rock, such as its strength and durability. Overall, the composition of igneous rocks can vary greatly, but understanding the differences between mafic and felsic igneous rocks can help to identify their characteristics and how they may behave in different environments.

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What kind of metamorphic texture results in the segregation of light and dark mineral bands?
A) fine texture
B) gneissic texture
C) foliated texture
D) slaty texture
E) schistose texture

Answers

The kind of metamorphic texture results in the segregation of light and dark mineral bands is B) gneissic texture

Gneissic texture is a metamorphic texture that results in the segregation of light and dark mineral bands. This texture forms due to high-grade metamorphism, where minerals separate into distinct bands based on their chemical composition and mineralogy.

The light bands are typically composed of felsic minerals, while the dark bands consist of mafic minerals. Gneissic texture is a metamorphic texture is the segregation of light and dark mineral bands. Foliation present as minerals arranged into alternating light and dark layers giving the rock and banded texture in side layers.

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Which are potential sources of destruction that may be caused either directly or secondarily by earthquakes?
Tsunamis
Aftershocks
Fires
Landslides and rockfalls

Answers

Potential sources of destruction caused directly or secondarily by earthquakes include tsunamis, aftershocks, fires, landslides, and rockfalls. The correct option is e.

Tsunamis are large, powerful waves generated by the displacement of water due to seismic activity, which can cause widespread devastation upon reaching land.

Aftershocks are smaller earthquakes following the main event, which can further damage already weakened structures.

Fires can be ignited by ruptured gas lines or electrical faults resulting from the earthquake, leading to additional destruction.

Landslides and rockfalls occur when the seismic waves destabilize slopes and cliffs, causing soil, rocks, and debris to collapse and potentially impact structures or block access routes.

Each of these sources contributes to the overall damage and hazards associated with earthquakes.

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Which are potential sources of destruction that may be caused either directly or secondarily by earthquakes?

a)Tsunamis

b)Aftershocks

c)Fires

d)Landslides and rockfalls

e)All the above

________ are smaller earthquakes of lesser magnitude that follow a major earthquake.
A) Displacement
B)Ripples
C) Aftershocks
D)Foreshocks

Answers

The smaller earthquakes of lesser magnitude that follow a major earthquake are known as aftershocks. When an earthquake occurs, the movement of the earth's crust creates stress changes in the surrounding rock.

Aftershocks are a result of these stress changes, and they can occur minutes, hours, days, or even months after the initial earthquake. They are typically smaller in magnitude than the main shock but can still be felt and can cause additional damage to structures already weakened by the initial earthquake.  Aftershocks can also be dangerous for rescue workers and people in damaged buildings who may be attempting to recover or evacuate. It is important to be prepared for aftershocks and to take appropriate safety measures, such as staying away from damaged buildings and seeking open spaces away from trees and power lines.

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Which of the following is NOT a form of vegetation typically found in Africa's wet-dry climate areas?


A. Tropical rainforest


B. Savannas


C. Open woodlands


D. Grasslands

Answers

A. Tropical rainforest is NOT a form of vegetation typically found in Africa's wet-dry climate areas.

What is found in the wet-dry climate areas?

Africa's wet-dry climatic regions witness pronounced seasonal fluctuations ranging from dryness to rainfall. In contrast, the tropical rainforests usually found in areas with steady drizzles and humid climate regardless of time.

These regions boast a wide variety of vegetations including savannas, which represent the vast open plains covered by grasses that house scattered trees and shrubs. Open woodlands are quite alike but have higher density foliage covering them. Besides those, we've also got the grasslands; flourishing giant green grass-sized sprouts dominate these biomes supplemented by few or nil trees present.

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Wind-blown sand deposits would most likely be __________ and __________.
A) poorly sorted; well-rounded
B) feldspar; poorly sorted
C) very well-sorted; angular
D) spherical; angular
E) very well-sorted; well-rounded

Answers

A) poorly sorted; well-rounded. Wind-blown sand deposits are typically composed of grains that have been transported by the wind, resulting in a mixture of sizes and shapes.

However, due to the repeated collisions and impacts during transportation, the grains tend to become rounded over time. Therefore, wind-blown sand deposits are typically poorly sorted (with a wide range of grain sizes) and well-rounded (with grains that have smoother edges and corners).

Wind-blown sand deposits, also known as eolian deposits, are typically very well-sorted due to the wind's ability to transport and deposit similar-sized particles. Additionally, the constant movement and abrasion among the sand particles result in well-rounded grains.

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Match the following items.

1 .
Potosi
capital of Bolivia
2 .
Sucre
city without a fire department
3 .
tin
country's leading product
4 .
La Paz
known for its gold and silver
5 .
wool
product from the high plains of Bolivia

Answers

Potosi - known for its gold and silver

Sucre - capital of Bolivia

Tin - country's leading product

La Paz - city without a fire department

Wool - product from the high plains of Bolivia

Answer:

1.Sucre

2.La Paz

3.Tin

4.Potosi

5.Wool

Explanation:

Caves are formed when rainwater mixes with the carbon dioxide in the air and

Answers

dissolves carbon dioxide to create a weak carbonic acid. As this acidic rainwater flows through cracks and fractures in the bedrock, it slowly dissolves and erodes the limestone, creating larger and underground.

Over time, these openings can develop into caves. Stalactites and stalagmites are common cave formations created by the slow deposition of minerals from dripping water.Caves are formed when rainwater mixes with the carbon dioxide in the air and forms a weak carbonic acid. As this acidic water seeps into the ground, it can dissolve soluble bedrock such as limestone, creating hollow spaces underground. Over time, these hollow spaces can grow larger and eventually form caves. Stalactites and stalagmites, as well as other cave formations, are created through the slow deposition of minerals in the water that drips through the cave's ceiling or is deposited on the cave floor.

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The average rate of movement of the North American Plate and the Pacific Plate is around 2 inches per year near this fault. Which of the statements below explains how this movement is seen along the San Andreas Fault?
- Displacement events can be much greater than 2 inches
- Different locations of the fault are displaced at different times
- Displacement along the fault occurs sporadically, sometimes with many years between each displacement event

Answers

All of the statements are true and contribute to how movement is seen along the San Andreas Fault.

The average rate of movement of the North American Plate and the Pacific Plate is around 2 inches per year near the San Andreas Fault. However, displacement events can be much greater than 2 inches, as the plates build up stress over time until they suddenly slip, causing earthquakes. These earthquakes can result in displacement events of several feet or more. Different locations of the fault are displaced at different times, which also contributes to how movement is seen along the San Andreas Fault. The fault is not a single, continuous crack in the Earth's crust, but rather a complex network of faults and fractures. When a displacement event occurs, it typically involves only a portion of the fault, rather than the entire fault length.

Finally, displacement along the fault occurs sporadically, sometimes with many years between each displacement event. This means that while the average rate of movement may be 2 inches per year, this movement is not continuous or uniform over time. Instead, the plates may remain locked in place for years or even decades, until the stress builds up enough to cause a sudden displacement event.

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________ is a soil that has bedrock as its parent material.
A) Residual soil
B) Regolith
C)Humus
D) Transported soil

Answers

The correct answer to your question is A) Residual soil.

Residual soil is formed by the weathering of the underlying bedrock, which remains in place as the parent material. This type of soil typically has a similar composition and structure to the bedrock it was derived from, as well as a higher mineral content than other types of soil. It can be found in areas where the bedrock is close to the surface, and is often found in mountainous regions. Residual soil can vary in thickness, depending on the rate of weathering and erosion in the area, but it generally forms a thin layer over the bedrock.

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If all the particles in a detrital sedimentary rock are nearly the same size, it is __________.
A) very well-sorted
B) sandstone
C) poorly sorted
D) well-rounded
E) a conglomerate

Answers

The answer to the question is A) very well-sorted. A detrital sedimentary rock composed of particles that are all nearly the same size indicates that the rock has been subjected to consistent and effective sorting processes, resulting in a high degree of uniformity in grain size. This is referred to as well-sorting.


Sedimentary rocks are classified based on their texture and composition, both of which are related to the depositional environment and subsequent processes that acted on the sediment. Sorting refers to the range of grain sizes present in a sediment or sedimentary rock, with well-sorted sediment having a narrow range of grain sizes and poorly sorted sediment having a wide range of grain sizes. When all the particles in a detrital sedimentary rock are nearly the same size, it indicates that the sediment was transported and deposited in a consistent manner, allowing for effective sorting to occur. Therefore, the rock is considered very well-sorted.

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Which of the following statements best characterizes how developed and developing countries impact the environment?

A. Neither developed nor developing countries have had a significant impact on the environment in
the past century.

B. Developed countries have tended to improve the environment, while developing countries have
tended to damage it.

C. Developed countries have damaged the environment, while developing countries have had little
impact.

D. Both developed and developing countries have had significant negative impacts on the
environment.

Answers

The statements best characterizes how developed and developing countries impact the environment is

D. Both developed and developing countries have had significant negative impacts on the environment.

How developed and developing countries impact the environment

Environmental degradation and negative impacts have been precipitated by both developed and developing nations.

It has been noted that advanced technological capacities alongside high levels of industrialization in developed countries have contributed to problems such as deforestation, pollution, climate change amongst other issues

Dilemmas such as urbanization, population growth, resource extraction, inadequate regulations are harmful factors faced by developing countries.

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