Fill in the blanks:
1. Deforestation leads to ……… in rainfall.
2. Removal of soil particles from the land is called ……….
3. Chipko movement is initiated against ……….
4. ……….. is a biosphere reserve in Tamilnadu.
5. Tidal energy is ………. type of energy.
6. Coal, petroleum and natural gas are called ……… fuels.
7. ……….. is the most commonly used fuel for the production of electricity.
