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UPSC CSE Prelims
2021
Q27 — Environment & Ecology

UPSC CSE Prelims 2021 Q27 — Environment & Ecology PYQ with Answer

2021Q27·Environment & Ecology·Biogeochemical Cycles & Earth Systems

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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