Humans use fossils fuels for feeling auto mobiles, heating buildings and generating electricity. How are fossil fuels used by humans relate to chemical and physical processes occurring in earth's oceans?

A. Ocean processes destroy large amounts of fossil fuels over many years.
B. Ocean processes reduce pollution by increasing impurities in fossil fuels.
C. Ocean processes produce large amounts of fossil fuels over many years.
D. Ocean processes change fossil fuels into forms that can be used easily.