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How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.
Biodegradable Wastes: Those waste materials which can be broken down to non-poisonous substances in nature by the action of microorganisms (like bacteria) are called biodegradable wastes.
- They get recycled and therefore do not require dumping sites.
- They do not cause any pollution to the soil.
- Example: Paper, Wood, etc.
Non-Biodegradable Wastes: Those waste materials which cannot be broken down into non-poisonous substances in nature are called non-biodegradable wastes.
- They cannot be recycled easily and therefore are to be dumped which requires a lot of space. This cause wastage of land.
- The harmful chemicals leach out of these wastes when they are dumped in soil. This leads to soil pollution.
- Example: DDT, Plastic, and Polythene bags.
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