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11-02-2021
Biology

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Professor Tan studies water quality in streams near chemical plants. Which is a type of qualitative data that Professor Tan should record during these studies?

A.the pH of the water
B.any occurrences of unusual odors
C.the oxygen concentration of the water
D.any changes in sizes of fish population

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11-02-2021

Answer:

A

Explanation:

chemical plants can affect ph level studying water quality narrowed it down to A and C. Then putting chemical plants makes it A.

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