Question

Which reason best explains why living things need carbon?

Carbon is a source of energy.
Carbon reduces global temperatures.
Carbon is an important solvent.
Carbon is everywhere.

Answer 1

Carbon is a source of energy

Answer 2

Carbon is an important component in living things as it is present in the food of living things in the form of saccharides such as glucose and polysaccarhides such as starch. Hence the answer to this problem should have to be A. Carbon is a source of energy.