Statement - I : Nowadays, surface of earth gets heated upStatement - II : CO2 and water vapour reflects Infra - red radiations back to earth surfaceThe correct answer is
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a
Statement I and II are correct.
b
Statement I is correct and Statement-II is incorrect.
c
Statement - I is incorrect and Statement - II is correct
d
Both statement - I and II are incorrect
answer is A.
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Detailed Solution
The progressive heating up of surface of the earth is earth is called green house effect or global warming.CO2 and H2O block a part of the heat (IR) emitted by the earth & reflect back. Due to this earth surface gets heated up.