Question

Bacteria add carbon to the carbon cycle by(1 point)
Responses

performing photosynthesis.
performing photosynthesis.

exchanging carbon dioxide and oxygen gases.
exchanging carbon dioxide and oxygen gases.

decomposing dead organisms.
decomposing dead organisms.

being consumed by larger organisms, such as plankton.

Answer 1

Bacteria add carbon to the carbon cycle by **decomposing dead organisms**.