Tag: for a pollution free nation
Questions Related to for a pollution free nation
Which is not a water borne disease?
Which of the following is a water borne disease?
Natural water is generally impure and requires treatment process before it is made potable.
What is main contamination in water?
The coliform count in drinking water is done
Ascariasis spreads through
Which of the following factors are causes of disease?
Diarrhea is an example of