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1 vote
Which of these is an environmental effect of building dams?

A)Increased water temperature upstream
B)increased fertility downstream
C)weed growth upstream
D)sediment builds up downstream

User Strauss
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2 Answers

4 votes
Hmm... I'm unsure but its either B or D.
User Dimmg
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3 votes
The answer to the question is either B or D.
User SanRam
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