For your agricultural field or garden you have developed a compost producing pit. Discuss the process in the light of bad odour, flies and recycling of wastes for a good product.

How can domestic waste be used as manure?

A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.

What would have happened if the greenhouse gases were totally missing in the earth’s atmosphere? Discuss.

What do you mean by green chemistry? How will it help decrease environmental pollution?