Which of these is an environmental effect of building dams?

(A) Decreased Water Tempature Upstream

(B) Soil Erosion Upstream

(C) Increased Land Fertility Downstream

(D) Weed (Not Marijuana plant Bush Weed) Growth Downstream

Respuesta :

The question is B soil erosion upstream

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Answer:

The answer is weed growth downstream  

Explanation:

 I did the test