3 years ago

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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