how can contamination of drinking water occur from sewage even in cover drainage system
Answers
Answered by
4
hey mate here is ur ans
there are very small microbs present which are microscopic that are present in water
there are very small microbs present which are microscopic that are present in water
Thor44:
which class ?
10th
Answered by
2
good qn but no ans why??
f*** you
Similar questions