alleryWhich is a harmful effect of building dams on rivers?
ALoss of habitat for fish
BBetter river water quality
CUnchanged natural flow
DMore fresh groundwater
Answer & Solution
Correct answer: A. Loss of habitat for fish
1. Dams change how a river flows.
2. They can lower water quality and cause loss of habitat for aquatic species.
3. Quality does not improve, flow does not stay natural and groundwater is not the stated gain.
_Source: Wikipedia, Water cycle, Land cover and land use changes_
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