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ICSE Class 9 Biology Question 3 of 6

Waste Generation and Management — Question 4

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Question

Question 4

Describe the usefulness of incineration of wastes, and also mention the precautions required in it.

Answer

Incineration is the disposal of waste by burning which causes the release of fumes and other toxic substances.

Usefulness of incineration of wastes:

  1. The ash left over occupies much less landfill space.
  2. Electricity can be generated from the heat released during burning.

Precautions:

  1. The process should be carried out at very high temperatures.
  2. Should be equipped with pollution control devices.
  3. Incinerators should be installed away from residential areas.