Question

Make a list of biodegradable and nonbiodegradable substances

Answer 1

biodegradable substances:-
1.Paper
2.Peels of vegetables
3.Dungs of animals
4.Dead bodies
5.Any kind of organic substances

Non-biodegradable substances:-
1.Plastics
2.Rubber
3.Polymers
5.Synthetic fibres

Answer 2

biodegradable waste=>
peels of fruits and vegetables
kitchen waste
food residues
waste papers
rags
pieces of wood
fallen leaves=
rotten fruits
animals excreta
parts of dead animals etc.

non biodegradable waste=>
chemical waste
detergents
paints
varnishes
polythene bags
metals
metallic compounds
glasses
old bottles
fused bulbs
mercury
lead
tin and many more