Official 13 Lec 2
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Question 6 of 6
What does the professor imply when she says this:

A.

Beaver dams would cause floods in many areas where people now live

B.

Beaver dams would cause most of the water supply to be inaccessible

C.

Large areas of land would become unusable by humans

D.

More groundwater would be available for human consumption

我的答案:

正确答案:D

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