5. Which of the following statement is 2 points
true?
1)Non-
methane volatile organic compound is a
natural pollutants.
2)Polychlorinated biphenyls is widely used.
3) Sludge effluents contain toxic chemicals.
All statement are true.
Answers
Answered by
0
Answer:
I thing this is right-no 1
Answered by
0
Answer:
I think it's 1 no.
Explanation:
Is it correct or not please reply
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