1.List out the main byproducts of Coal & their uses?
2.How do u conserve soil?
3.How r the wild animals protected?
4.Give suggestions to conserve fossil fuels.
5.Differentiate between Afforestation & Deforestation?
6.What will happen if,
a)We go on cutting trees,
b)The habitat of an animal is disturbed,
c)The top layer of soil is exposed and ignored.