which rock was formed from exposure to extreme heat and pressure?

which rock was formed from exposure to extreme heat and pressure?

which rock was formed from exposure to extreme heat and pressure?

Answer

Brief Explanations:

Metamorphic rocks form from extreme heat and pressure. The rock with wavy - like patterns (the bottom - most one in the image) is characteristic of metamorphic rocks due to the re - crystallization and deformation under such conditions.

Answer:

The bottom - most rock in the image