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Which of the following biogeochemical cycles can be influenced by human activity and cause eutrophication of a local water supply?
nitrogen cycle
water cycle
oxygen cycle
carbon cycle

2 Answers

1 vote

Answer:

D

Explanation: Its either D or C but I think its D oxygen wont hurt water

User Hba
by
4.6k points
8 votes

Answer:

A.

Step-by-step explanation:

Nitrogen Cycle

User Dhuang
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4.1k points