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5. Our Environment
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Q25 of 163 Page 241

Name the various modes of waste disposal.

There are various modes of waste disposal. Few of them are- incineration, pyrolysis, sewerage, composting, landfill, recycling, burial, biogas plant, etc.


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23

What is meant by bio-concentration of pesticides? Which common pesticide has accumulated in human body in considerable amounts?

24

What is garbage? What does garbage consist of?

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.

Questions · 163
5. Our Environment
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