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Dmitry [639]
2 years ago
10

Which of the following best explains why Earth is tectonically active?

Geography
1 answer:
IgorLugansk [536]2 years ago
3 0

Answer:

C. Earth's solid surface layer sits on a moving, semiliquid layer.

Explanation:

Earth is highly tectonically active because the solid layer of the earth sits on a moving, semi-liquid layer.

The earth's crust is broken into slabs. Together with part of the upper mantle, they form a layer called the lithosphere. These solid lithospheric bodies are called tectonic plates.

  • Under the plates is a semi-molten layer under great temperature.
  • As the molten layer moves, it carries the lithosphere on top of it.
  • This causes the movement of the plates in different directions.
  • The semi-liquid layer is called the asthenosphere

This is the reason why the earth is tectonically active.

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A thermally-driven circulation develops because: Group of answer choices in cold, dense air, isobars bunch closer together, whil
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Answer:

Aloft high pressure develops in cold air regions while low pressure develops in warm air regions

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A thermally-driven circulation, or thermals are the movement of warm air that move to a higher level due to the buoyancy forces acting on them. That is due to the difference in densities between the warmed and cool air

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Therefore, the best option is aloft, (as we move higher), high pressure develops in cold air regions while low pressure develops in warm air regions

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