In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the

In the context of ecosystem productivity marine upwelling zones are im

1.	In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the
A.	1 & 2
B.	2 only
C.	2 and 3
D.	3 only
Answer» D. 3 only

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In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the

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