asked 231k views
3 votes
A substance that enters Earth's cycles and does harm to living things is

A. oxygen.
B. freshwater.
C. a pollutant.
D. hydrogen

2 Answers

3 votes

A substance that enters Earth's cycles and does harm to living things is a pollutant.


answered
User Kyle Greenlaw
by
7.8k points
5 votes
The answer is C: a pollutant.
answered
User Malditojavi
by
8.9k points
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