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A change in which of the following is least likely to impact primary productivity? A. Nitrate B. Dissolved oxygen levels C. Dissolved carbon dioxide levels D. Phosphate
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1 vote
A change in which of the following is least likely to impact primary productivity?

A. Nitrate
B. Dissolved oxygen levels
C. Dissolved carbon dioxide levels
D. Phosphate

User Winter Soldier
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2 Answers

6 votes

Answer:

its C just did the test pennfoster :)

User Yoni Doe
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6.7k points
6 votes
The correct answer is D
User Gented
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