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Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
A
Carbon cycle
B
Sulphur cycle
C
Phosphorus cycle
D
Nitrogen cycle
Detailed Solution
Nutrient cycles are of two types: gaseous (reservoir in the atmosphere) and sedimentary (reservoir in the earth's crust).
The phosphorus cycle is sedimentary; its reservoir is rock.
The carbon and nitrogen cycles are gaseous.
The phosphorus cycle is sedimentary; its reservoir is rock.
The carbon and nitrogen cycles are gaseous.