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Topic Content:
- Meaning of Wastes
- Meaning of Refuse
- Biodegradable & Non-biodegradable Refuse
- Meaning of Sewage
What are Wastes?
Wastes are unwanted materials in our environment. Wastes are classified into:
i. Refuse, or solid wastes.
ii. Sewage, or wet wastes.
What is Refuse?
Refuse is household solid/dry waste which includes waste papers, plastic, plant remains, textile material metals, rubber, etc.
Refuse can be classified into two namely:
- Biodegradable Refuse
- Non-biodegradable Refuse
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Excellently, kudos to who wrote all these lesson note