Important Questions [11]
- Name the energy that is produced by the rise and fall of ocean water.
- What is the advantage of tidal energy?
- Mention three advantages of hydroelectricity.
- Mention two disadvantages of hydroelectricity.
- Biomass refers to ______.
- Write one advantage of solar energy.
- Write one disadvantage of solar energy.
- 'Biogas is produced by the fermentation of biodegradable wastes'. Mention any three advantages of using biogas.
- The energy generated from the earth is called ______.
- 'Biogas is produced by the fermentation of biodegradable wastes'. Mention any two disadvantages of using biogas.
- "In most cities increasingly CNG is used as a fuel in vehicles." Give five appropriate reasons for your answer.
