Compare and contrast biomass and hydroelectricity as sources of energy.
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- Biomass is a renewable source of energy and hydroelectricity is also a renewable source of energy.
- The use of biomass by burning causes air pollution but the use of hydroelectricity does not cause any pollution.
- Biomass gives heat energy which can be used for cooking and heating only. On the other hand, hydroelectricity can run all types of electricical appliances.
- Biomass energy can be obtained without using any special device but hydroelectricity can be produced only by establishing hydro-power plants.
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