B, reservoirs.
Dams are used to conserve water and to convert it into hydroelectric energy.
Aqueducts are used to move water from one source to another, think sort of like irrigation.
Valleys are plains of grass, has nothing to do with water.
Reservoirs however, are used to <u>reserve</u> water, <u>Reserve</u>oirs.
<span>It could lead to overfishing, since more fish have to be caught due to the high mortality rate.
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D a wolf’s sense of smell.
I think that answer points to the following, highways, railroads and buildings.These are the three signs and characters of human made features on the topographical map.
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