has large oil reserves. reaches deep into Earth. is rich in precious metals. is heated by nearby magma.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Some regions produce large amounts of geothermal energy. This energy production indicates that the crust in these regions
Possibilities:
- has large oil reserves.
- reaches deep into Earth.
- is rich in precious metals.
- is heated by nearby magma.

is heated by nearby magma.