Earth's Energy Systems Unit Test

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Question
Select the best answer. Which statement is true about all convection currents?(1 point)
Responses

It causes earthquakes.
It causes earthquakes.

It results to formation of valleys and hills.
It results to formation of valleys and hills.

It happen in all layers of the Earth.
It happen in all layers of the Earth.

It is made possible by heat and pressure.
It is made possible by heat and pressure.
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The correct answer is: It is made possible by heat and pressure.