Multiple Choice
Water pollution is widespread because
A) water has a very low tolerance to either natural or artificial contaminants.
B) once a stream or lake is polluted; there is no way to restore it to usable quality.
C) increasing world aridity limits the number of water sources that can be used for waste disposal.
D) water so easily receives the wastes of agriculture,industry,and cities.
Correct Answer:

Verified
Correct Answer:
Verified
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