Answer:
B. soil erosion upstream
Step-by-step explanation:
cause the soil (dirt) on the ground upstream to move and wash away.
can make it harder for plants and animals to live there because their homes and food may get taken away.
water can also have too much dirt in it, which
can cause problems for the plants and animals there too.
advantages:
dams CAN generate a lot of electricity very cheaply by having
water pass thru tunnel passages in dams which make the water spin generator wheels which creates electricity
dam in niagara falls in buffalo new york does this otherwise
generators would need fossil fuels or nuclear material to boil water to make to make steam to move generator wheels to make electricity
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