State whether the following statement is true or false :

Chipko Andolan was associated with the conservation of wild animals such as tigers and lions.

The pH of a river water sample as measured by pH paper is found to be What does it tell us about water?

Name the person who is most remembered for the protection of Khejri trees in Rajasthan.

Write the full names of

(a) CFL, and (b) CFC.

Choose one term from the following which include all others :

coal, natural gas, fossil fuels, petroleum