Question

1.     The role of bacteria in the carbon cycle is _________________

(a) breakdown of organic compounds                          (b) respiration

 (c) absorption of nitrogen compounds                         (d) photosynthesis     ​

Answer 1

breakdown of organic compounds

Step-by-step explanation:

Bacteria are responsible for maintaining the conditions of life as the earth by virtue of their powers of decomposition of plant and animal bodies by which the limited supply by C02 available for photosynthesis is replenished. Thus, they act as decomposers in the carbon cycle.