in caves. in the ocean. in the atmosphere of Earth. beneath the surface of Earth.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Diamonds are formed when carbon is placed under extreme heat and pressure. This process occurs
Possibilities:
- in caves.
- in the ocean.
- in the atmosphere of Earth.
- beneath the surface of Earth.

beneath the surface of Earth.