Today, many people drump their……… into water bodies.
a) jewelry
b) home
c) garbage
d) bags
The purposes of extracting a substance from a solid material that is dissolved in a liquid is called …………….
a) chromatography
b) bleaching
c) leaching
d) all of these
Any contaminated liquid that is generated from water percolating through a solid water disposal site is called ……………..
a) leachate
b) paints
c) both a & b
d) none of these
Leachate finds its way to rivers and streams through……………
a) rain water
b) ozone depletion
c) eutrophication
d) green house effects
Water borne diseases:-
The diseases that spread of drinking polluted water or eating those foods that are prepared in polluted water are called…………….
a) polio
b) Aids
c) water borne diseases
d) hepatitis
