Biology
Biology, 26.08.2019 05:30, nikoidurrant

Which of the following is the best definition of a pollutant?
a. a natural resource that humans overuse
b. a human activity that destroys habitats
c. a harmfal substance released into the environment
d. a species that humans introduce into an ecosystem

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Which of the following is the best definition of a pollutant?
a. a natural resource that human...

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