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Which phrases apply to metamorphic rocks? Check all that apply.
form under extreme heat and pressure
form from existing rocks
form from magma and lava
form when sediments combine
form from volcanic eruptions

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Answer:

The metamorphic rocks are formed from existing rocks under extreme heat and pressure.

Explanation:

  • The metamorphic rocks are a denser version of igneous and sedimentary rocks.
  • When an igneous or sedimentary rock is subjected to extreme heat and pressure for a prolonged period, the composition of the existing rocks changes to become more concentrated, which eventually results into the formation of metamorphic rocks.
  • Metamorphic rocks are usually formed in the lithosphere and the asthenosphere, two uppermost layers of the Earth's crust.
adioabiola

Metamorphic rock is a type of rock formed from existing rocks.

A rock is solid mineral matter that constitutes a significant part of the earth's crust.

There are three types of rock:

  • Sedimentary rock: Formed from small particles especially dirt.

  • Igneous rock: They are formed from the solidification of molten magma.

  • Metamorphic rock: They are formed from the gradual disintegration of previously existing rocks. The disintegration is caused by the action of wind and water over time.

In conclusion, metamorphic rock form from existing rocks.

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