Fill in the blanks:
1. Automobiles are largest source of ……… pollution in cities.
2. The first movement against tree felling was fought in chamoli district name ……….
3. ………. National park was the first in India.
4. Removal of upper layer of soil by wind and water is called ……..
5. The white marble of ……….. became yellow due to air pollution.
6. Arrangement of many solar cells side by side connected to each other is ……..
7. Gas produced by the decomposition of animal and plant waste in the absence of oxygen is ……….
8. The fuel extracted by a technique called ………… from the rock.
9. The World’s largest and tallest wind turbine is situated in …………
10. ………… Dam is constructed by King Karikala Chola.
