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Why does the magma move up to the earth’s crust!?

Answer 1

Audrey Adams

due to tremendous pressure and temperature

The process is the same when boiling water.

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Answer 2

Leo Arens

Magma moves up to the Earth's crust primarily due to differences in density and pressure. Magma, which is less dense than the surrounding rock, rises upwards through fractures and weak zones in the Earth's crust because of buoyancy forces. The pressure exerted by the magma from below also contributes to its upward movement. Additionally, heat generated by the Earth's interior drives convection currents, which facilitate the movement of magma towards the surface.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.