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Compare and contrast bio-mass and hydro-electricity as sources of energy.
Comparison and contrast between biomass and hydroelectricity as sources of energy are as follow:
| Biomass | Hydroelectricity |
1. It is generated from organic matter including wood, agricultural waste and cow dung. | 1. It is produced from the potential energy of water stored at a height. |
| 2. It is a renewable source of energy. | 2. It is also a renewable source of energy. |
3. It can be used for only heating and cooking. | 3. It can be used for running all types of electrical appliances. |
4. It can be obtained without using any special device. | 4. It can be produced only by establishing a hydro-power plant. |
| 5. Its burning causes air pollution. | 5. It does not cause any pollution. |
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