A basic and crucial part of people's daily existence is a staple meal, item, or activity. For more than half of the world's population, rice is a staple diet.
Is rice the main food consumed by almost half the world's population?The world's major staple meal is rice. Around 80% of the world's population, or more than 50 percent, depends upon rice for food. Almost 95% of the world's rice production is made and eaten in developing nations.
It is one of the most grown crops and is frequently consumed in India. It is suitable for rice farming due to the amount of precipitation, soil fertility, and availability of irrigation. It is a vital source of food and income for the farmers.
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as transgression occurs at a given location, . choose one or more: a. sea level rises. b. the coastline migrates inland. c. sea level falls. d. the coastline migrates seaward. e. a mud layer accumulates over a sand layer.
Transgression is a term used to describe the phenomenon when the sea level rises and the coastline migrates inland. Therefore the correct option is option B.
This is a natural process that happens due to several reasons such as global warming, melting of glaciers and ice caps, and tectonic plate movements.
Transgression is the geological phenomenon that occurs when sea levels rise or land subsides, resulting in flooding and a gradual migration of coastal landforms inland.
Transgression occurs when relative sea level rises due to any one of several reasons such as melting of glaciers and ice caps, global warming, or tectonic plate movements.
Thus, transgression is a vital process that shapes our coastlines and plays a significant role in the geological history of the earth. Therefore the correct option is option B.
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Which of the layers in the atmosphere do temperatures vary the most?
Answer:
The Troposphere
Explanation:
It has most of our weather like rain, snow, and clouds. On this part of the atmosphere, the temp gets cold as the amount of space above the earth increases.
What are the three ways In which corruption will negatively affect the financial growth of South Africa
Answer:
unemployment, reduction in tax revenue, decline in business operation and ultimately, collapse of the economy
basalt is an igneous rock that can be found in which volcanic environment?group of answer choicesmid-ocean ridge volcanismhot spot volcanismsubduction zone volcanism
Basalt is an igneous rock that is most commonly found in volcanoes that form due to subduction zone volcanism.
Subduction zone volcanism is a type of volcanism occurs when one of the Earth's tectonic plates moves beneath another and sinks into the mantle. As the two plates grind against each other, the pressure causes magma to rise up through the lithosphere, forming a volcano.
Basalt is composed of minerals like pyroxene, plagioclase, and olivine, and it forms from the cooling and solidification of lava that is created when the magma rises and erupts. Basalt is one of the most common volcanic rocks and is often used to construct structures such as roads, pathways, and buildings.
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as planet mercury formed, temperatures in this region were around 1400k. thus mercury formed out of...
As the planet Mercury formed, temperatures in this region were around 1400K.
Thus, Mercury formed out of material that had a high melting point. The most abundant elements were metals such as iron (Fe), nickel (Ni), and silicon (Si).
This is because the melting point of these elements is high enough to withstand the high temperature in the region. These elements, particularly iron, dominated the formation of Mercury.
In fact, the planet's density is the second-highest in the solar system, after Earth, which suggests a substantial metallic core.
According to the Giant impact hypothesis, Mercury was formed after a Mars-sized body collided with the early Earth.
The debris from the impact was scattered into space and coalesced into a hot planetesimal which eventually became Mercury.
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Assuming the sand dune (illustrated below) was deposited by wind currents 200 million years ago, which way was the wind blowing?Image: similar to the pair&share photo of the Jurassic Navajo Sandstone in Utah from the "Play in the Mud (and Sand)" lectureA) wind was blowing from the left to rightB) wind was blowing from right to leftC) wind was blowing both waysD) can't determine from the information given
The sand dune (illustrated below) was deposited by wind currents 200 million years ago, which way was the wind blowing wind was blowing from right to left. The correct answer is B) the wind was blowing from right to left.
To determine the wind direction, we need to analyze the sand dune's structure. Sand dunes have two distinct sides: the windward side and the leeward side. The windward side is the side facing the wind, and it has a gentle slope. The leeward side is the side sheltered from the wind, and it has a steeper slope.
In this case, we can see that the left side of the dune has a steeper slope, while the right side has a more gentle slope. This indicates that the wind was blowing from the right, carrying sand grains up the gentle slope on the right side of the dune. Once the wind reached the top of the dune, it lost its carrying capacity, causing the sand grains to fall and accumulate on the steeper left side of the dune, forming the leeward side.
So, considering the structure of the sand dune and the slopes, we can conclude that the wind was blowing from right to left 200 million years ago when the sand dune was deposited. The correct answer is B) the wind was blowing from right to left.
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relative to the fundamental themes of geography, the grand canyon is best described within which of the five themes?
Relative to the fundamental themes of geography, the Grand Canyon is best described within the theme of "physical geography".
The five fundamental themes of geography are Location, Place, Human-Environment Interaction, Movement, and Regions. These themes are used to describe and understand the physical and human aspects of the world around us.
Let's understand how the Grand Canyon is best described within the fundamental themes of geography:
Location: The location of the Grand Canyon is important to its understanding, but it does not fall within this theme.
Place: The Grand Canyon is a unique place, but it does not fall within this theme as well.
Human-Environment Interaction: The Grand Canyon is formed by the Colorado River and various geological processes. Its formation and how humans have interacted with it over time is best described within this theme.
Movement: The Grand Canyon is not particularly relevant to the movement of people, goods, or ideas, so it does not fall within this theme.
Regions: The Grand Canyon is located within the Southwest region of the United States. It is an important part of this region, but does not fall within this theme.
Therefore, we can conclude that the Grand Canyon is best described within the theme of "physical geography". Physical geography is a branch of geography that studies the natural features of the Earth's surface.
The Grand Canyon is a prominent example of physical geography due to its unique geology and the physical processes that have shaped it over millions of years.
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in china, mining for rare earth metals has led to the pollution of air and streams and left land stripped of vegetation. this is due to .
Answer:
the lack of strict environmental regulations
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which is true concerning the blue and magenta colors used to depict airspace on sectional aeronautical charts? group of answer choices faded lines represent airspace which extends to the surface.
The given statement "the blue and magenta colors used to depict airspace on sectional aeronautical charts have faded lines which represent airspace which extends to the surface" is true because a sectional chart is a map utilized in air navigation that portrays the details of an area's airspace.
This map has contour lines and visual terrain characteristics, including obstructions, lakes, and rivers, which provide pilots with the information they need to navigate safely in VFR conditions.
The sectional chart's primary objective is to depict land features that might help a pilot navigate the area. The chart contains many different symbols and markings to indicate obstacles, airports, and other important details that a pilot should be aware of while flying. The colors blue and magenta are used to denote airspace on sectional charts.
Meanwhile, magenta color denotes airspace that stretches from the surface up to 10,000 feet, above sea level. It indicates Class E airspace in which Class G airspace above 14,500 feet MSL is also depicted in magenta. The faded lines within the blue and magenta airspace denote airspace that extends to the surface, as mentioned earlier.
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where is light penetration in a river or stream likely to be lowest? a. the source b. the mouth c. the middle portion d. none of the above please select the best answer from the choices provided a b c d
Light penetration in a river or stream is likely to be lowest at the middle portion. The correct option is C.
This is because the middle portion of a river or stream is typically the deepest and has the most sediment, which can block out or reduce the amount of light that penetrates the water.
Additionally, the middle portion is often where the greatest amount of currents and turbulence occur, which can further reduce the amount of light that reaches the bottom of the river or stream.
As light penetration decreases, photosynthesis rates are lowered and the amount of oxygen available to the aquatic life in the river or stream is also reduced. The correct option is C.
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what does the existence of machu picchu suggest about the power of the inca king?
The existence of Machu Picchu suggests that the Inca king or emperor, Pachacuti Inca Yupanqui, had significant power and resources at his disposal. Machu Picchu is an ancient Inca citadel located in the Andes Mountains of Peru
It is thought to have been constructed in the middle of the 15th century as a royal estate for Pachacuti Inca Yupanqui. It is reasonable to assume that the Inca king had the strength and authority to command the necessary materials and labor force given the amount of labor, resources, and organization required to build such a monumental and elaborate structure in a remote and inaccessible location. Additionally, Machu Picchu's strategic location, with a view of the Urubamba River Valley, may have represented Inca power and control over the neighboring lands symbolically.
However, it's important to note that there are still many unanswered questions about the function and significance of Machu Picchu, and historians continue to disagree about its exact place in Inca politics and society.
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2. What is one of the characteristics of Mexico's heartland region?
the country's longest coastline
the country's best farmland
the country's largest oil deposits
the country's driest weather
(ANSWER QUICK PLEASE)
the country's best farmland
mapping does not: group of answer choices provide a baseline against which to measure the impact of improvement efforts. define the boundaries of a process. provide a detailed view of all elements external to the process. create a common understanding of the content of a process.
Mapping does not provide a detailed view of all elements external to the process. Therefore the correct option is option C.
Mapping is a representation of something on paper that is simplified or reduced to its essential characteristics. Mapping is the process of graphically portraying the entire business process to give a visual perspective of how it functions in practice.
The advantages of Mapping are as follows: Maps can be used to simplify complicated concepts or interactions. Maps can assist in the detection of mistakes or improvement areas. Maps provide a clear picture of who is involved, what they do, and how their work connects to the rest of the organization.
Maps help to create a shared understanding and language. A baseline is a reference point or a standard against which something can be assessed or measured. Mapping does not provide a detailed view of all elements external to the process. Therefore the correct option is option C.
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The following question may be like this:
mapping does not: group of answer choices
provide a baseline against which to measure the impact of improvement efforts. define the boundaries of a process. provide a detailed view of all elements external to the process. create a common understanding of the content of a process.a characteristically distinct collection of a sediment or feature and its corresponding artifacts is known as what?
An assemblage is a characteristically distinct collection of a sediment or feature and its corresponding artifacts.
An assemblage is a collection of materials from an archaeological site or a series of sites that were excavated. An assemblage, as a term, refers to a collection of artifacts discovered in a single location or region, such as a settlement or archaeological site. The term "assemblage" refers to the materials used by archaeologists to reconstruct human behaviour and culture from the past. An assemblage is frequently used to learn about the life and activities of a particular culture or civilization at a specific moment in time.
For example, an archaeological excavation may have yielded an assemblage of pottery, tools, and human remains. This assemblage could be utilized to learn about the everyday life, traditions, and culture of the people who lived in the area where the excavation was conducted.
An archaeological assemblage, for example, may be a collection of items discovered at a specific site that may be interpreted as having been produced or utilized by the same group of people. An assemblage is frequently used to determine the nature of a cultural site, its occupation duration, and the range of its cultural features. The dating of these features may help to establish a chronological sequence of cultural activity, which may then be used to investigate social and cultural development.
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which type of unconformity is usually easiest to spot, since layers of sedimentary rocks are on top of igneous rocks without layers?
The type of unconformity, which is usually easiest to spot, since layers of sedimentary rocks are on top of igneous rocks without layers is called Disconformity.
What is an unconformity?
An unconformity is a contact between two groups of rock formations. An unconformity is a surface of erosion or non-deposition that separates younger from older rocks. A time gap or hiatus exists at the unconformity between the rock layers, indicating that some time has passed between the formation of the first group of rocks and the second group.
There are three types of unconformities: nonconformity, disconformity, and angular unconformity. An unconformity can be caused by tectonic events, sea-level shifts, or erosion, among other things.
A disconformity is an unconformity in which parallel layers of sedimentary rocks are separated by a break in sediment deposition or a layer of erosional material.
In a disconformity, the bedding planes of the strata above and below the unconformity are parallel, indicating a time gap in the sedimentary record.
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What is Fiji known for? a. grassland and hurricanes b. landfills c. tropical islands
at night, the air above the mountain slopes and drains into the warm valley below, creating a .
At night, a process called radiation cooling causes the air on the mountain slopes to cool more quickly than in the valley below. This creates a temperature inversion, where the air temperature at the top of the mountain is cooler than at the base.
The temperature inversion also has other effects, such as creating a stable layer of air that traps pollutants near the ground and limits visibility. Additionally, the process helps to distribute moisture more evenly throughout the environment.
This is a vital part of many mountain ecosystems, and an important factor to consider when studying climate patterns and air quality in mountainous areas.
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which element is found in greater amounts in low viscosity magma, than in high viscosity magma? question 12 options: a) si b) fe
Si (Silica) is found in greater amounts in low viscosity magma, than in high viscosity magma. Option A is correct answer.
High silica content magmas will consequently show higher levels of polymerization and have higher viscosities than magmas with low silica concentration. A substance's viscosity is a measurement of its consistency. A substance's viscosity is defined as its capacity to resist flow. Viscosity is, in some ways, the inverse of fluidity. Because cold molasses is less fluid than water, it has a greater viscosity.
The temperature, composition, and gas concentration of a magma all influence its viscosity. The relationship between temperature and viscosity is self-evident. The greater the temperature, like with most liquids, the more fluid the material becomes, reducing its viscosity.
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in the picture above, when dr. alley slices his finger through the sand, he is recreating on a smaller scale what type of geologic process?
Dr. Alley is recreating the process of sedimentation on a smaller scale. Sedimentation is the process by which solid particles settle out of a liquid or a gas. The particles settle due to gravity and settle out of the medium into layers.
These layers are then compressed and cemented together to form sedimentary rocks. In the picture, Dr. Alley is slicing his finger through the sand and the particles settle in layers. This process of sedimentation can occur in a variety of geological settings, including in the ocean and on land. Sedimentation can also be caused by erosion, where material is removed from one location and sediment elsewhere. This is also happening in the picture, as the sand is settling in layers from Dr. Alley’s slicing. Sedimentation is an important process in the rock cycle, as it is how sedimentary rocks are formed.
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theorize about what landforms are produced as a result of this tectonic boundary. (give examples by referring to the names of these landforms in south america) is there a particular prominent landscape with huge mountains?
The tectonic boundary between the South American Plate and the Nazca Plate is a convergent boundary. At this boundary, the Nazca Plate is subducted beneath the South American Plate, resulting in the formation of a subduction zone.
As a result, various landforms are produced, including volcanoes, mountains, and oceanic trenches .In South America, one of the most prominent landforms produced by this tectonic boundary is the Andes Mountains.
These mountains stretch along the western edge of South America and are the longest mountain range in the world. They are formed by the collision of the South American Plate and the Nazca Plate.
Additionally, the Nazca Plate is being subducted beneath the South American Plate, resulting in the formation of the Peru-Chile Trench, which is the deepest oceanic trench in the world.
This trench is located off the coast of South America and is over 3,700 miles long. Other landforms produced by this tectonic boundary include volcanoes, such as Cotopaxi in Ecuador and Villarrica in Chile.
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which of the following is not a low-latitude climate region? mansoon wet equatorial dry tropical tropical savanna humid subtropical
Answer: A low latitude climate is a tropical climate, exemplified by areas in or near the equator.
what benefits do green roofs provide? (explain the following topics)
Water
Energy
The benefits provided by green roofs include:
Water management Energy efficiencyWhat are green roofs and how do they benefit us ?Green roofs can help to manage stormwater runoff by absorbing and retaining rainwater in the vegetation and soil layers. This reduces the amount of water that enters stormwater systems and can help to prevent flooding and erosion.
Green roofs can help to reduce the energy consumption of buildings by providing insulation and reducing the amount of heat that is absorbed by the roof. The vegetation and soil layers act as an insulating layer, helping to keep buildings cooler in the summer and warmer in the winter.
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describes the tendency for different types of rock to weather at different rates.
The tendency for different types of rock to weather at different rates is known as differential weathering. This phenomenon occurs due to the varying physical and chemical properties of different rocks.
For example, rocks with a greater porosity and permeability are more likely to absorb water, leading to faster weathering.
In contrast, rocks with low porosity and permeability will not absorb water easily and therefore weather more slowly. Other factors that can influence the rate of weathering include the type of minerals that the rock is composed of and the climate in which it is located. Differential weathering affects the landscape, often leading to the formation of distinctive features such as mesas and canyons.
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A storage site for high-level radioactive waste would have all of the following features except: isolated from major population centers. geological stability. no contact with groundwater. near volcanic activity where waste can be destroyed by high temperatures. no contact with flowing water or air movement.
A storage site for high-level radioactive waste would have all of the following features except being near volcanic activity where waste can be destroyed by high temperatures. The correct option is option D (near volcanic activity where waste can be destroyed by high temperatures).
A storage site for high-level radioactive waste would have all of the following features except being near volcanic activity where waste can be destroyed by high temperatures. A storage site for high-level radioactive waste would have to have the following features:
• Isolated from major population centers.
• Geological stability.
• No contact with groundwater.
• No contact with flowing water or air movement.
High-level radioactive waste is highly hazardous, and it could cause catastrophic results if it were to be released into the environment. As a result, storage facilities must be built in such a way that they can securely contain high-level radioactive waste. They must be situated away from significant population centers to prevent exposure to large groups of people.
They must also be geologically stable, which means they must be constructed on a site that has not experienced tectonic activity for a long period of time. There should be no contact with groundwater to prevent the release of contaminants into the environment. Finally, there should be no contact with flowing water or air movement. The correct option is option D (near volcanic activity where waste can be destroyed by high temperatures).
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briefly explain why a permanent temperature inversion (temperature increases with height) occurs throughout stratosphere
A permanent temperature inversion, in which temperature increases with height, occurs throughout the stratosphere because of the presence of ozone in the stratosphere.
The absorption of ultraviolet radiation by ozone causes the stratosphere to be heated. Due to the high temperatures of the stratosphere, the temperature increases with increasing altitude.
Additionally, the stratosphere is relatively dry, with little to no water vapor to absorb or emit heat, contributing to the permanent temperature inversion.
A permanent temperature inversion layer in the stratosphere helps to stabilize the atmosphere and prevent vertical mixing between the stratosphere and the troposphere below. This plays an important role in regulating our climate, as it helps to maintain the atmospheric conditions necessary for life on Earth. By preventing mixing, the temperature inversion layer helps to keep the troposphere cooler and drier than the stratosphere, which can have significant impacts on weather patterns and the overall climate system.
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choose the statement that best describes foliation. choose one: a. the texture typical of all metamorphic rocks b. an arrangement of mineral grains such that most are of the same size and shape c. an alignment of mineral grains perpendicular to the direction of compression d. an alignment of mineral grains parallel to the direction of compression
Answer:
d. An alignment of mineral grains parallel to the direction of compression describes foliation.
Explanation:
Foliation is a characteristic feature of many metamorphic rocks, and it refers to the alignment of mineral grains or other constituents in parallel planes or layers. This alignment is typically a result of the application of directed pressure or compression during the metamorphic process, which causes the mineral grains to flatten and orient in the same direction. The resulting texture can give the rock a layered or banded appearance and can also affect its physical properties such as its strength and cleavage.
A stream or river is a body of water flowing in a __________.
A stream or river is a body of water flowing in a channel.
A stream is a small river that can be crossed by wading or hopping from one bank to the other. If the stream is fed by underground water sources or has a large volume of water, it might be deep enough to require a bridge. The water in a stream or river usually flows downhill due to gravity, but it may also flow from high to low pressure or from an area of high elevation to one of lower elevation.
The movement of a river is aided by the slope of the ground, the size and position of rocks and other debris in its bed, and the amount and speed of water in the river. The soil composition and the landscape through which it flows will also influence the river's flow. The banks of a river or stream are often eroded by the water's movement, and the water may transport soil, rocks, and other debris downstream. This process aids in the formation of canyons, gorges, and other geologic formations.
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water velocity in a stream varies based on many factors but is usually greater at the mouth than the head. which part of a stream commonly has the highest gradient?
Water velocity in a stream varies based on many factors but is usually greater at the mouth than the head. The part of a stream commonly having the highest gradient is head.
Stream is defined as a body of water, running or moving continuously in a channel or course of considerable width and length. There are a number of different types of streams, each characterized by its size, location, and water velocity.
Some of the important factors that affect water velocity in a stream include the slope of the land, the amount of water in the stream, the shape of the streambed, and the type of sediment in the streambed.
Water velocity is the speed of water in a stream or river. It is the distance the water travels over a particular period of time. Water velocity in a stream is influenced by many factors such as the streambed, the shape of the channel, the amount of water in the stream, and the slope of the land, among others.
Gradient refers to the steepness or slope of a stream channel. The highest gradient in a stream is found at the head. The head is the point where the stream begins or the location where the stream gets its water. As the stream flows downstream, the gradient decreases, and the water velocity decreases.
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when going from a 5 to a 6 on the richter scale, what is the increase in amplitude of seismic waves?
a. 1 times
b. 2 times
c. 10 times
d. 32 times
When going from a 5 to a 6 on the Richter scale, the increase in amplitude of seismic waves is 10 times.
This means that a magnitude 6 earthquake produces seismic waves with ten times more amplitude than a magnitude 5 earthquake. The Richter scale is a logarithmic scale, which means that each whole number increase represents a tenfold increase in the amplitude of the seismic waves. For example, a magnitude 7 earthquake produces waves with 100 times more amplitude than a magnitude 5 earthquake, while a magnitude 8 earthquake produces waves with 1,000 times more amplitude than a magnitude 5 earthquake, and so on.
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which term describes a soil that remails in place after having formed by weathering of the underlying bedrock? residual relict transformational transported
The term that describes soil that remains in place after having formed by weathering of the underlying bedrock is residual soil.
What is residual soil?
Residual soil, also known as residuum, is soil that forms from the weathering of bedrock that has remained in place. This soil is formed by in situ weathering and usually remains where it is formed. The weathering processes cause the bedrock to disintegrate into small particles, resulting in the formation of residual soil.
Residual soils are usually found on slopes and hilltops, where weathering is highest, and are often composed of coarse particles due to the intense weathering that occurs. They are generally thick and can be of varying depths depending on the bedrock they have formed from. The soil is typically rocky and nutrient-poor, which limits plant growth. Residual soils are classified as 4th-order soils according to the Soil Taxonomy. The Soil Taxonomy ranks soils into 12 orders based on their characteristics.
Residual soil is soil that forms from the weathering of bedrock that has remained in place.
Residual soils are usually found on slopes and hilltops, where weathering is highest. They are typically rocky and nutrient-poor. Residual soils are classified as 4th-order soils according to the Soil Taxonomy.
The word used to describe soil that stays in its original place after being formed by the weathering of the underlying bedrock is "residual soil".
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