Which biogeochemical cycle exists because of the work of bacteria?
A) oxygen
B) hydrologic
C) nitrogen
D) carbon
E) energy

Question

Quizplus · Accepted Answer

Nitrogen fixation, the process through which atmospheric nitrogen is converted into a usable form by bacteria such as Rhizobium, is essential for the nitrogen cycle. Other steps in the cycle, such as nitrification and denitrification, also involve bacterial activity.

Which Biogeochemical Cycle Exists Because of the Work of Bacteria