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Subjects
Science CBSE
Class 9
Natural resources
Biogeochemical cycles
4.
Properties of biogeochemical cycles
Exercise condition:
2
m.
State true or false
:
1
.
Industrialization and burning of fossil fuels causes global warming.
False
True
2
.
Ozone is poisonous and stable gas near the surface of the earth.
False
True
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