Answers

2016-02-25T18:49:50+05:30
  *use  this for irrigation of public parks, recreation centres, athletic fields, school yards and playing fields, and edges and central reservations of highways.
 *for Fire protection.
 *can be used in industries as evaporative cooling water, particularly for power stations
 *can also be used for agriculture and aquaculture

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2016-02-25T18:53:32+05:30
Any four ways to utilise waste water are:-
(i)By giving the water to plants.
(ii)By using filtration we can make it pure.
(iii)By giving it to animals if it domestic.
(iv)By  using it for household works.

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