MCQ
Consider the following statements and choose the incorrect one:
  • A
    Clean water is a basic necessity of our life.
  • B
    The wastewater may also contain pieces of human excreta.
  • Use water or waste water could not be reused after cleaning it.
  • D
    The cleaning of water is a process of removing pollutants harmful substances from it.

Answer

Correct option: C.
Use water or waste water could not be reused after cleaning it.
The used water should not be wasted. Use water or waste water could be reduced after cleaning it.
We must clean the used water by removing various impurities from it, before it is re$-$used or released into the environment $($such as river, lakes sea or ground$).$

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