Biology, 21.08.2019 10:30 sconner733

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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Professor tan studies water quality in streams near chemical plants. which is a type of qualitative...