Q. 5. Compare and contrast bio-mass and hydro electricity as sources of energy.
Biomass | Hydro electricity |
(i) Renewable source of energy. |
(i) Renewable source of energy. |
(ii) Biomass plants can be installed anywhere. | (ii) Hydro power plants can be installed only in fast flwoing water bodies. |
(iii) Not very economical to collect the organic waste (biomass) required. | (iii) Once the plant is set up harnessing of energy is very economical. |