Explanation:
When two plates come together, it is known as a convergent boundary. The impact of the colliding plates can cause the edges of one or both plates to buckle up into a mountain ranges or one of the plates may bend down into a deep seafloor trench.
Answer:
Continental drift and sea-floor spreading became widely accepted around 1965 as more and more geologists started thinking in these terms. By the end of 1967, Earth’s surface had been mapped into a series of plates (Figure 10.16). The major plates are Eurasia, Pacific, India, Australia, North America, South America, Africa, and Antarctic. There are also numerous small plates (e.g., Juan de Fuca, Nazca, Scotia, Philippine, Caribbean), and many very small plates or sub-plates. For example the Juan de Fuca Plate is actually three separate plates (Gorda, Juan de Fuca, and Explorer) that all move in the same general direction but at slightly different rates.
Rates of motions of the major plates range from less than 1 cm/y to over 10 cm/y. The Pacific Plate is the fastest at over 10 cm/y in some areas, followed by the Australian and Nazca Plates. The North American Plate is one of the slowest, averaging around 1 cm/y in the south up to almost 4 cm/y in the north.
Plates move as rigid bodies, so it may seem surprising that the North American Plate can be moving at different rates in different places. The explanation is that plates move in a rotational manner. The North American Plate, for example, rotates counter-clockwise; the Eurasian Plate rotates clockwise.
Boundaries between the plates are of three types: divergent (i.e., moving apart), convergent (i.e., moving together), and transform (moving side by side). Before we talk about processes at plate boundaries, it’s important to point out that there are never gaps between plates. The plates are made up of crust and the lithospheric part of the mantle (Figure 10.17), and even though they are moving all the time, and in different directions, there is never a significant amount of space between them. Plates are thought to move along the lithosphere-asthenosphere boundary, as the asthenosphere is the zone of partial melting. It is assumed that the relative lack of strength of the partial melting zone facilitates the sliding of the lithospheric plates.
At spreading centres, the lithospheric mantle may be very thin because the upward convective motion of hot mantle material generates temperatures that are too high for the existence of a significant thickness of rigid lithosphere (Figure 10.12). The fact that the plates include both crustal material and lithospheric mantle material makes it possible for a single plate to be made up of both oceanic and continental crust. For example, the North American Plate includes most of North America, plus half of the northern Atlantic Ocean. Similarly the South American Plate extends across the western part of the southern Atlantic Ocean, while the European and African plates each include part of the eastern Atlantic Ocean. The Pacific Plate is almost entirely oceanic, but it does include the part of California west of the San Andreas Fault.
include:
Describe what is unique about the island of Iceland
Answer:
The island of Iceland is a unique place in many ways, with a geography, culture, and history that set it apart from other countries and regions around the world. Here are a few examples of what makes Iceland so unique:
Volcanic landscape: Iceland is located on the Mid-Atlantic Ridge, where the Eurasian and North American tectonic plates are pulling apart. This makes Iceland one of the most volcanically active places on earth, with over 200 volcanoes and countless geothermal features such as hot springs and geysers.
Glaciers: Iceland is also home to some of the largest glaciers in Europe, including the Vatnajökull glacier which covers over 8% of the country's land area.
Northern lights: Due to its location near the Arctic Circle, Iceland is one of the best places in the world to see the Northern Lights, a natural light display that occurs in the polar regions.
Culture: Iceland has a rich cultural heritage that includes literature, music, and art. Icelandic literature, in particular, is notable for its epic sagas, which date back to the 13th century.
Environmentalism: Iceland is known for its commitment to environmentalism and sustainability. The country has set ambitious goals for reducing greenhouse gas emissions and has invested heavily in renewable energy sources such as geothermal and hydroelectric power.
Language: Icelandic is a unique language that has changed relatively little since the country was settled by Viking explorers over 1,000 years ago. It is considered one of the most difficult languages in the world to learn.
Explanation:
plate boundaries wet lab. Table A: Cold Water
Time
(minutes: seconds)
0:30
1:00
1:30
2:00
2:30
3:00
In geography, the goal of this lab is to show us how plate boundaries clash and separate and what happens when they do.
What is the use of plate boundaries wet lab?A wet lab of plate boundaries refers to an exercise that is designed to help students understand the processes and features associated with plate tectonics. It involves use of models like map or a globe to simulate the movement and interactions of tectonic plates.
The students can use materials such as playdough or clay to create their own models of plate boundaries and observe how they behave under different conditions. In essence, they help students gain a better understanding of the different types of plate boundaries, such as divergent, convergent and transform boundaries.
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how long is the coast line of India? what are the 2 benefits of it?
Answer:
The length of the coastline of India is approximately 7,517 kilometers (4,671 miles), according to the Indian Ministry of Home Affairs.
The coastline of India provides several benefits for the country, including:
Trade and Commerce: India's coastline provides access to several major ports, including Mumbai, Chennai, and Kolkata, which are important hubs for trade and commerce. The ports facilitate the movement of goods and commodities in and out of the country, contributing to the growth of the national economy.Tourism: India's coastline is dotted with several popular tourist destinations, including Goa, Kerala, and Andaman and Nicobar Islands, among others. These destinations attract a large number of domestic and international tourists each year, contributing to the growth of the tourism industry and providing employment opportunities for local communities.Overall, the coastline of India is a vital resource for the country, providing access to important ports, supporting economic growth, and attracting tourists from around the world.
Explain how natural disasters are felt around the world due to globalization
Major disasters have the potential to disrupt economies far beyond the local damage to infrastructure, as businesses around the world can find their supply chains and markets hit in the aftermath. There’s hardly a business or consumer who doesn’t rely to some extent on goods and services from other parts of the world – and all parts of the world have different levels of natural disaster risk.
What social and cultural actions are affecting the Colorado river
Answer:
One of the major social actions affecting the Colorado River is the increased demand for water from growing populations in the region. As cities and towns continue to expand, the demand for water for domestic, agricultural, and industrial use has increased, leading to greater withdrawals from the river. This has caused the river to become over-allocated, meaning that more water is being taken out than is being replenished.
Another cultural action that is affecting the Colorado River is the use of dams and other water management infrastructure. While these structures provide important benefits such as flood control and hydroelectric power, they also have negative impacts on the river ecosystem. Dams can disrupt the natural flow of the river, alter the temperature and chemistry of the water, and prevent the migration of fish and other species.
Explanation:
Answer: The Colorado River is considered as the lifeblood of the entire region according to Timothy James, an economics professor at Arizona State. In his study, the river supports $1.4 trillion in the US economic activity and 16 million jobs in its different states. With the depletion of the Colorado river, billions of dollars will be lost in its economy and millions of people will lose their jobs.
Explanation:
For each change in an ocean basin or sea explain the role that seafloor spreading and subduction played in the change?
They contribute to the expansion or contraction of ocean basins, the formation of trenches, volcanic activity, and the formation of island arcs, all of which impact the geology and geography of these areas.
What is Ocean Basin?
An ocean basin is a large, relatively flat area on the Earth's surface that is covered by seawater and bounded by continental land masses. It is the portion of the ocean floor that lies between the continental margins and the mid-oceanic ridges. Ocean basins are characterized by their depth, shape, and geology, and they play a crucial role in the global circulation of seawater, climate patterns, and marine ecosystems.
Seafloor spreading and subduction are two fundamental processes that shape the geology and geography of ocean basins and seas.
Seafloor spreading and subduction are important processes that play a crucial role in shaping ocean basins and seas.
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Would you be willing to pay higher taxes in order to fund measures that would prevent the pollution of the groundwater that serves as your drinking water supply? If yes, explain. If no, explain as well.
Yes, I would be ready to pay greater taxes to support policies that would guard against the tainting of the groundwater that supplies my source of drinking water. After all, clean and pure water is crucial.
How can the issue of safe drinking water be resolved?A sound and efficient sewage system is the foundation for the availability of clean drinking water. Without proper sanitation, a region's water gets contaminated with disease and a host of other issues. We can stop the water shortage from getting worse by making improvements to the sewage systems in these locations and improving the water quality and enhancing its supply.
Why should the government supply all of its residents with clean drinking water?Everyone must have access to clean, sufficient drinking and cooking water as well as latrines that do not jeopardize health or dignity.
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Which climate is more hospitable for growing crops, england or new england?
The climate that is more hospitable for growing crops is New England.
Why is England's climate better ?In general, New England has a more hospitable climate for growing crops than England. While both regions have cool, temperate climates, New England has longer and warmer summers, which are ideal for growing crops such as corn, tomatoes, and beans.
In contrast, England's climate is characterized by cool temperatures and frequent rainfall, which can make it challenging to grow certain crops.
One of the main factors that makes New England's climate more hospitable for growing crops is its latitude. The region is located further south than England, which means that it receives more direct sunlight and warmer temperatures during the growing season.
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