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5. Our Environment
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Q28 of 163 Page 241

What is meant by incineration? For what purpose is it used?

Incineration is burning of waste materials at very high temperature, in an incinerator. Incineration is used mostly by hospitals for destruction of pathogen and sharp materials completely.


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26

How can the wastes such as paper, plastic and metal objects be disposed of?

27

Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.

29

How are most of the solid wastes in urban areas disposed of?

30

State two advantages of using disposable paper cups over disposable plastic cups.

Questions · 163
5. Our Environment
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