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Chapter 27 - Man and his Environment - 5
1.
Oxygen in air
a) Upper layer of earth’s crust
b) 2 %
c) Fresh water in lakes
d) 20 %
2.
Soil
a) 20 %
b) Upper layer of earth’s crust
c) Brain damage
d) Fresh water in lakes
3.
Taj Mahal
a) Stone monuments
b) Kwashiorkor
c) Eutrophication
d) UV radiation
4.
Ozone
a) Eutrophication
b) UV radiation
c) Kwashiorkor
d) Stone monuments
5.
Hormonal disorder
a) Cretinism
b) Eutrophication
c) Stone monuments
d) Kwashiorkor
6.
Phosphate
a) Eutrophication
b) Kwashiorkor
c) Stone monuments
d) UV radiation
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