Which option identifies ways that people positively affect earths resources

Halting the use of resources is impractical. Increasing the mining efforts would lead to further depletion of resources. Hence, the correct options are: build dams, use cars that emit fewer harmful gases, and halt the runoff of factory waste into rivers and streams which would positively affect Earth's resources.

Explanation:

what's the

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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