Question
How can domestic waste be used as manure?
Solution
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.
