Natural Resources

This chapter presents the sources and forms of water with the help of different kinds of question patterns. It also includes exercises related to the conservation and management of water. This will help us to understand the concepts thoroughly.

This chapter describes the diverse range of forests India has. You will also learn that forests provide us with food, cloth and shelter, timber, resins, latex, bamboo, cane and many other useful things.

This topic deals with the physical, chemical and biological processes involved in the wastewater treatment plant. It also discusses sanitation at public places, sewage and alternative arrangements for sewage disposal in detail.