Canals and aqueducts allow humans to __________. a. conserve water supplies b. produce hydroelectricity c. settle below river level d. transport people and goods

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The correct answer is letter B. Canals and aqueducts allow humans to produce hydroelectricity in the hope of it being a sustainable form of energy. This is the reason why a lot of dams are created all over the world because the overall cost of this type of energy is cheaper compared to the electric energy we have at the moment.

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