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UPSC Prelims GS - 2021
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Question 27
EASY
Correct:
+2
Incorrect:
-2
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?
a
Carbon cycle
b
Nitrogen cycle
c
Phosphorus cycle
d
Sulphur cycle
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Section-1
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