(a) Cloth bags are biodegradable and reusable, hence they do not pollute the environment like plastic bags. They are environmentally friendly and economical in the long run.
(b) Two methods for safe disposal of solid waste:
Segregation and Recycling: Separate biodegradable and non-biodegradable waste and recycle reusable items.
Composting: Convert organic waste into manure using aerobic bacteria or vermicompost techniques.