The nutrient cycle that has largest reservoir in the atmosphere is
Carbon cycle
Nitrogen cycle
Potassium cycle
Phosphorus cycle
Water cycle
A
Phosphorus cycle
B
Potassium cycle
C
Water cycle
D
Carbon cycle
E
Nitrogen cycle
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Solution
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Nitrogen is the gas which is maximally present in the atmosphere. Up to 78% of the atmosphere contains Nitrogen gas. The second most abundant is oxygen which consists of 21% of the atmosphere. All other gases are present less than 1%.
So the correct answer is 'Nitrogen cycle'.
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