In the context of ecosystem productivity, marine upwelling zones are important as they increase the many productivity by bringing the |
1. decomposer microorganisms to the surface. |
2. nutrients to the surface. |
3. bottom-dwelling organisms to the surface. |
Which of the statement(s) given above is/are correct? |
A) 1 and 2
B) Only 2
C) 2 and 3
D) Only 3
Correct Answer: C
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