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Eutrophication occurs when there is not enough __________ in the water for animals and fish.

A.

carbon
B.

oxygen
C.

nitrogen
D.

hydrogen

User Ashly
by
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2 Answers

4 votes
Answer :

Oxygen

Explanation :
User Metehan
by
7.7k points
4 votes

Answer:

B. oxygen

hopes this helps!!

User Prakash Harvani
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