Question

What are metamorphic rocks ?​

Answer 1

Explanation:

A metamorphic rock is a type of Rock has been changed by extreme heat and pressure. Its name is from morph (meaning form),and meta (meaning change).The original rock gets heated (temperature greater than 150 to 200°C and pressure (1500bars) .This causes pro found physical and/or chemical change.

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Answer 2

Answer:

Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock is subjected to heat and pressure, causing profound physical or chemical change.