In which nutrient cycle does carbon dioxide play an important role?
A. Carbon cycle B. nitrogen cycle C. oxygen cycle D. phosphorus cycle E. water cycle or:A. Carbon cycle B. nitrogen cycle C. oxygen cycle D. phosphoru
A. Carbon cycle
B. nitrogen cycle
C. oxygen cycle
D. phosphorus cycle
E. water cycle
or:A. Carbon cycle B. nitrogen cycle C. oxygen cycle D. phosphorus cycle E. water cycle
or:A. Carbon cycle
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