………………is passed from water to kill microorganisms.
a) Br
b) Cl
c) I
d) Fl
Effects of water pollutants:-
The effects of water pollutants are not only disturbing of water to people but also to……
a) plants
b) animals
c) fishes
d) all of these
……….pollution is the major cause of typhoid, cholera and dysentery.
a) Noise
b) water
c) Air
d) all of these
Polluted water is unsuitable for …………..
a) drinking
b) agriculture
c) industry
d) all of these
The enrichment of nutrients in water bodies is called……….
a) acid rain
b) earth quake
c) eutrophication
d) flood
