Which correctly describes the effect of volcanoes?
O
A. They cool Earth, due to the ash and gas released.
O
B. They release pressure in Earth's crust, cooling the planet.
O
C. They alter Earth's precession.
O
D. They release heat in the form of magma, heating Earth.

Which correctly describes the effect of volcanoes?

They release heat in the form of magma, heating Earth

Explanation:

Volcano releases heat to the earth crust when they are cool and form a magma.

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