Carbon is stored in

A. Trees and other living things

B. Oceans

C. Underground in soil and fossil fuels

D. All are correct

D. All are correct

Carbon is stored in all of the above

all are correct

Explanation:

Carbon is also found in the atmosphere where it's a part of carbon dioxide gas emitted when fossil fuels are burned and when living organisms breathe. It's in organic matter in the soil, and it's in rocks. But far and away the most carbon on Earth is stored in a surprising place: the ocean.