Which of the following disease/s is/are water borne?
a) ameobiosis and hepatitis
b) typhoid
c) diarrhea
d) all of these
The major causes of water pollution are……
a) sewage, oil spills and industrial effluents
b) leakage from landfills and animal wastes
c) insecticides, herbicides and chemical fertilizers
d) all of these
The main cause/s of land pollution is/are…..
a) municipal solid wastes
b) agricultural activities and construction debris
c) air and water pollutants
d) all of these
Solid hazardous wastes should be……
a) buried in landfills
b) thrown on land
c) thrown in water
d) all of these
If one ton of waste paper is recycled, it can save approximately…….trees.
a) 2
b) 5
c) 10
d) 17
Exercise:
