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Option 4 : Wool
The correct answer is Wool.
- Biodegradable substances are capable of being decomposed by bacteria or other living
organisms and thereby avoiding pollution.- Paper and wood are examples of Biodegradable substances.
- Non-biodegradable substances stay in the environment for thousands of years.
- They may end up getting in the food chain and cause various health issues to the animals that are in that food chain.
- Glass bottles, Plastic Cups, and Aluminium Foil are examples of Non-Biodegradable Substances.
Waste and its Types
- Waste includes the various types of garbage or disposable substances which are no longer in use for any particular individual.
- Waste includes
- biodegradable wastes like food remain waste paper which can be decomposed by microorganisms.
- non - biodegradable wastes like polythene cannot be decomposed and cause damage to the environment.
- Waste is also classified into solid, liquid, and gaseous wastes
- Solid waste includes usual home garbage
- Liquid waste includes certain pollutants that are drained in rivers through sewage
- Gaseous waste includes pollutants released from industries, vehicles, etc.
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