I think its C but I could be wrong, but I think it's c because water vapor evaporates in the atmosphere due to the heat off the sun and it turns to water again and then the water heats up and turns into vapor.
<u>Answer:</u>
The metamorphic rocks are formed from existing rocks under extreme heat and pressure.
<u>Explanation:</u>
- 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.