What is biomass energy ?

(a) What is the source of biomass energy ? (b) What is the composition of biogas ?

(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.

Explain biomass as energy source.

What is biomass? Give the composition of a biogas

What is biomass? Draw a pyramid of biomass for the given food chain- (i) grass leaves (ii) herbivores (iii) predators (iv) hawk

What is biomass ? What can be done to obtain bio-energy using biomass ?

What is biomass ? What can be done to obtain bio-energy using biomass ?