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Q.

Compare and contrast bio-mass and hydro electricity as sources of energy.

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Detailed Solution

BiomassHydroelectricity
a) Biomass is a renewable energy source.a) Hydroelectricity is also is a renewable energy source.
b) Dead plants and animal wastes are used to create biomass. Hence, it is replenished organically.b) It is produced by utilizing the potential energy contained in water at a height. 
c) Burning of biomass by causes air pollutionc) The use of hydroelectricity does not cause any pollution.
d) Biomass gives off heat energy, which can be used for cooking.d) Hydroelectricity can run all types of electric appliances.
e) Biomass energy can be obtained without using any special devices.e) Hydroelectricity can be produced only by establishing hydropower plants.

 

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