Which of the following best matches the description?The flow of carbon from the atmosphere to living organisms and back again.

A. secondary consumer
B. carbon cycle
C. producer
D. biomass
E. community
F. trophic level
G. limiting factor
H. habitat
I. denitrifying bacteria
J. intraspecific competition
K. ectoparasite
L. interspecific competition
M. nitrogen-fixing bacteria
N. nitrogen cycle
O. herbivore
P. omnivore


Answer: B

Environmental & Atmospheric Sciences

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