(a) What is biomass? Give three examples of biomass.
(b) Name the biomass which is still widely used as a source of heat energy in many households of our country.
(a) Biomass is the organic matter like, dead parts of plants and trees and the waste material of animals which are used as a fuel to produce energy.
Wood, agricultural wastes and cow dung are three examples of biomass.
(b) Wood is the biomass that is still widely used as a source of heat energy in many households in our country.
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