Pesticide runoff from a farm into a river is an example of a ____ of pollution

a. nonpoint source
b. reservoir
c. point source
d. pinpoint reserve
e. watershed


ANSWER: a

Biology & Microbiology

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All echinoderms (sea stars and sea urchins) have:

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What is the leading cause of age-related blindness in the United States?

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In the Gram-staining procedure, the primary stain is

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