Question

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

performing photosynthesis.
performing photosynthesis.

being consumed by larger organisms, such as plankton.
being consumed by larger organisms, such as plankton.

decomposing dead organisms.
decomposing dead organisms.

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

Answer 1

decomposing dead organisms.

Explanation: as decomposers, bacteria break down dead organisms and waste, releasing carbon (as CO2 and into soil) back into the carbon cycle.