ECOLOGY
CHEMICAL CYCLES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the number one reservoir in the Nitrogen cycle?
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atmosphere
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soil
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biosphere
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Explanation:
Detailed explanation-1: -The largest reservoir of nitrogen on Earth is the N2 gas present in the air. The air in Earth’s atmosphere is composed of around 78% nitrogen gas.
Detailed explanation-2: -Nitrogen cycles through both the abiotic and biotic parts of the Earth system. The largest reservoir of nitrogen is found in the atmosphere, mostly as nitrogen gas (N2).
Detailed explanation-3: -By far the largest reservoir of total nitrogen on Earth is the dinitrogen gas (N2) in the atmosphere (Table 4.1). N2 is also the major form of nitrogen in the ocean.
Detailed explanation-4: -So the correct answer is ‘Nitrogen cycle’.
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