The annual net primary productivity of the whole biosphere is approximatelyA. 150 bilion tonsB. 160 bilion tonsC. 170 bilion tonsD. 180 bilion tons

The annual net primary productivity of the whole biosphere is approxim

1.	The annual net primary productivity of the whole biosphere is approximatelyA. 150 bilion tonsB. 160 bilion tonsC. 170 bilion tonsD. 180 bilion tons
Answer» Correct Answer - C The annual net primary productivity of the whole biosphere is approximately 170 billion tons. Out of this, oceans contribute 55 billion tons.

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The annual net primary productivity of the whole biosphere is approximatelyA. 150 bilion tonsB. 160 bilion tonsC. 170 bilion tonsD. 180 bilion tons

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