How much of carbon is
(a) fixed in the biosphere through photosynthesis annually?
(b) dissolved in the ocean?
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a) 49 percent
b) 71 percent
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(i) Carbon constitutes 49% of dry weight of an organism, next to water. (ii) About 71% of carbon is found dissolved in oceans, which is responsible for its regulation In atmosphere. (iv)According to an estimate, 4x 1013 kg of carbon is fixed in the biosphere through photosynthesis annually
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