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Chapter 27 - Man and his Environment - 4
1.
Nutrition deficiency
a) Alzheimer
b) Population explosion
c) Scurvy
d) Congenital diseases
2.
Green house effect
a) Increase CO
2
b) Air pollutant
c) Insects
d) Fungi
3.
Lead compound
a) Insects
b) Air pollutant
c) Renewable resource
d) Fungi
4.
Insecticide
a) Insects
b) Air pollutant
c) Renewable resource
d) Fungi
5.
Water
a) Insects
b) Air pollutant
c) Fungi
d) Renewable resource
6.
CO
a) 2 %
b) Fresh water in lakes
c) Brain damage
d) 20 %
7.
Less than 1 %
a) Upper layer of earth’s crust
b) Fresh water in lakes
c) 20 %
d) 2 %
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