Question

1. What is waste? What are its different types?


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Answer 1

Answer:

Waste are unwanted or unusable materials. Waste is any substance which is discarded after primary use, or is worthless, defective and of no use. A by-product by contrast is a joint product of relatively minor economic value.

Explanation:

there are 4 types of waste

Answer 2

Answer:

Sources of waste can be broadly classified into four types:

1. Industrial
2. Commercial
3. Domestic
4. Agricultural.