How do you classify the various sources of water pollution? (b) What are the point sources of water pollution? (c) Name any two non-point sources of water pollution. Open Answer »
Why is it advised that industries should switch over to cleaner fuels such as CNG and LPG in the Taj Mahal zone in Agra? Open Answer »
What do CFCs stand for? Name some devices where CFCs are used. Why CFCs are considered as pollutants? Open Answer »
A lot of dry leaves are collected in a school garden and are burnt every day. Do you think that it is right to do so? If not, what should be done to dispose off the dry leaves? Open Answer »
