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Guys please help me this is my second post lol- help asappp pls

How are coastal ecosystems a major source of oxygen for the rest of Earths waters?

Guys please help me this is my second post lol- help asappp pls How are coastal ecosystems-example-1
User Matszwecja
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1 Answer

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Answer:

The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it.

Step-by-step explanation:

User Scrashdemix
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