biosphere to lithosphere atmosphere to lithosphere hydrosphere to atmosphere biosphere to atmosphere
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Carbon cycles through several Earth subsystems. Which sequence most directly leads to the cycling of carbon that can result in the formation of petroleum?
Possibilities:
- biosphere to lithosphere
- atmosphere to lithosphere
- hydrosphere to atmosphere
- biosphere to atmosphere

biosphere to lithosphere