alleryWhich cycle plays little part with the atmosphere because its compounds are mostly solids?
APhosphorus cycle
BNitrogen cycle
CCarbon cycle
DOxygen cycle
Answer & Solution
Correct answer: A. Phosphorus cycle
1. Phosphorus compounds are usually solids at Earth's temperatures and pressures.
2. So the atmosphere has no significant role in the phosphorus cycle.
3. Nitrogen, carbon and oxygen have gaseous components.
_Source: Wikipedia, Natural environment, Biogeochemical cycles_
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