Which among the following are biodegradable substances?
Biodegradable means something that can be broken down into simpler particles by the action of living organisms on them. Materials obtained from plants and animals are biodegradable in nature.
∙ Paper bags are plant based materials and hence are biodegradable.
∙ Plastic bags and waste parts of mobile phones (e-wastes) are made up of polymers which are non-biodegradable.
∙ Thermocol is made from a polymer called polystyrene which is non-biodegradable.