Explain the atmosphere is approximate 20% of oxygen

Reference no: EM13546460

Each square meter of an actively growing forest fixes on a average each year 1 kg of carbon from the atmosphere into plant matter through photosynthesis. The atmosphere is approximate 20% of oxygen, 80% of nitrogen, and but contains 0.046% of carbon dioxide by weight.

How much carbon is present in the entire atmosphere lying above each square meter of the earth's surface?

Reference no: EM13546460

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