Question

Which of the following describes how metamorphic rock forms? A Tectonic plate boundaries break apart an existing parent rock. B An igneous rock deep in the Earth is exposed to hot material. C Molten rock solidifies and hardens on top of the Earth’s crust. D A parent rock is baked and melted into liquid rock in the Earth.

Answer 1

Answer:

B.

Explanation:

Metamorphic rocks form when heat and pressure transform an existing rock into a new rock.

Answer 2

Answer:

B

Explanation:

According to the passage, “Metamorphic rocks form when existing “parent” rocks change because of intense heat and/or pressure.” Rock deep in the Earth is under a lot of pressure and can be “exposed to the hot material below the Earth’s crust.”