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An enlarged right ventricle both increases oxygen intake and the risk of pulmonary hypertension. How can natural selection
result in an adaption that produces both positive and negative effects?

A) The positive effects appear after reproductive age in certain environments.

B) The positive effects outweigh the negative effects in certain environments.

C) The negative effects appear later in life in certain environments.

D) The negative effects appear before reproductive age in certain environments.


Sagot :

Answer: B

Explanation: I took the quiz on my own and got a 100%