In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the1. Decomposer micro - organisms to the surface2. Nutrient to the surface3. Bottom dwelling organisms to the surface Which of the statements given below are correct ?

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 the1. Decomposer micro - organisms to the surface2. Nutrient to the surface3. Bottom dwelling organisms to the surface Which of the statements given below are correct ?
A.	1 & 2
B.	2 only
C.	2 and 3
D.	3 only
Answer» D. 3 only

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