In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?
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A medium Environment multiple-choice question from UPSC Prelims 2021. Attempt it above, then check the correct answer and detailed explanation below.
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Correct answer: C. Phosphorus cycle
The phosphorus cycle is a sedimentary cycle with no significant gaseous phase — phosphorus enters the cycle mainly through the weathering of phosphate-bearing rocks.
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