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Pavel [41]
3 years ago
15

How is surface water naturally purified?

Biology
2 answers:
Nimfa-mama [501]3 years ago
5 0
The answer is D I think
timurjin [86]3 years ago
4 0
The correct answer is D.

A is wrong because it does not destroy molecules , they cannot be destroyed.

B is wrong because there can still be impurities from the clouds

C is wrong because sediments cannot be precipitated , only water can
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