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A large dam was constructed across a river to create a reservoir on one side. This led to the sinking of nearby forests, which
impacted plants and animals and caused a decrease in biodiversity, Trees were also cut down to construct the dam, which led to
increased soil erosion and reduced soil fertility.
A scientist wants to reduce the impact of the dam's construction and improve the biodiversity of the ecosystem. Which solution
should the scientist choose?
A. relocating people to live in the area around the dam
B. planting trees around the reservoir to decrease soil erosion
c. using synthetic fertilizers to improve soil fertility
OD. building a small series of dams on nearby streams

Answer :

Answer:

B

Explanation:

One of the main problems is the soil erosion reducing the fertitlity of the soil, thus reducing it's chances of the soil helping plant growth, thus reducing biodiversity. The other selections worsen the problem.

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