What do you mean by noise pollution ?
Explain the necessity of environmental studies?
Describe the principal constituents of earth?
What are the different hypotheses regarding the origin of the earth ?
What are the sources of water pollution ?
Discuss the sources of odour pollution?
Explain with examples the natural changes of environment?
The mystery beneath the crust – explain?
How many principal gases are there in the atmosphere ?
Give a brief account of the components of environment.
Describe the principal characteristics of environment?
What are the ways to conserve forest ?
Define environmental studies?
What is the meaning and objective of environmental education ?
What are the uses of water ?