In addition to rocks, what other kinds of materials are found in the geosphere?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Does the sun release radiant energy?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?