Question

There would be no ocean life without _____?

1.marine snow
2.phytoplankton
3.thermocline
4.runoff

Answer 1

2. phytoplankton

Step-by-step explanation:

This is the answer because...phytoplankton is the main food of fish and without fish there could not be food for millions of people! 3 billion people eat seafood so it would be a big deal if seafood was no longer avialiable.

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I hope you like my explination.