Multiple choice

Water, which is said to be waste water, can be saved by which of the following methods?

  1. Storing it again

  2. Using it for watering plants

  3. Removing the pollutants and reusing it

  4. Injecting it into the ground

  5. All of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is correct. Waste water can be saved by treating it and then reusing it.