Question

Bacteria add carbon to the carbon cycle by (1 point)
• performing photosynthesis.
exchanging carbon dioxide and oxygen gases.
O being consumed by larger
organisms, such as plankton.
• decomposing dead organisms.

Answer 1

decomposing dead organisms.

Explanation: as decomposers, many bacteria break down dead plants and animals, releasing carbon back into the soil and atmosphere (mostly as CO2), thus returning carbon to the cycle.