What are the different sources of soil pollution? Discuss various measures for controlling soil pollution.
Explain giving reactions, the plausible explanation for the escape of methyl isocyanate gas from the Union Carbide Ltd. Plant in Bhopal on Dec 2, 1984.
How can domestic waste be used as manure?
Domestic waste comprises of two types of materials:
(i) Biodegradable materials
(ii) Non-biodegradable materials
(i) Biodegradable materials include leaves, rotten food etc. The biodegradable waste should be deposited in the landfills. With the passage of time, it is converted into manure.
(ii) Non-biodegradable materials include plastics, glass, metal scrap etc. The non-biodegradable waste is sent to industry for recycling.
For your agricultural field or garden, you have developed a compost producing pit. Discuss the process in the light of bad odour, files and recycling of wastes for a good produce.