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Question

21. Are the following statements true or false?

e. Sewage should be treated for the removal of harmful wastes before it is released into the river.


A
True
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B
False
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Solution

The correct option is A True
  • The wastewater from our kitchens and bathrooms is carried away in deep pipes called sewers.
  • The sewers take up the wastewater to a special sewage treatment plant where the solid particles of wastewater are allowed to settle down.
  • The remaining liquid is treated with chemicals to destroy the germs in it.
  • After that, the water which is free from harmful wastes is released into the river.

Hence, the given statement is true.


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