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Brilliant_brown [7]
3 years ago
7

What cycle is closely related to the carbon cycle ?

Biology
1 answer:
Nitella [24]3 years ago
8 0
The carbon and oxygen cycles are closely related, because they are directly associated with photosynthesis and respiration processes. Oxygen constitutes about 21% of the atmosphere. In free form, oxygen (O2) is essential for aerobic respiration (eg by animals), where it is returned to the atmosphere as carbon-dioxide.
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