Question:
Coliforms in a water sample indicate ________ contamination. A) fecal B) industrial or chemical C) arthropod D) All of the answers are correct.
Author: Maram OmarAnswer:
A) fecal
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1 answer(s) in total
Author
Maram Omar
Answer:
0 / 5 Â (0 ratings)
1 answer(s) in total