SSC JE Civil Engineering 2017 Set 2 Solved Paper

Question : 180 of 200

Marks: +1, -0

Greenhouse effect of

CO_2

is ______.

Permitting the outside solar radiation to reach the ground but preventing terrestrial radiation from the ground into the space
Permitting the solar radiation of short length and reradiated terrestrial heat of long wave length
Reflection the heat rays into the space thereby keeping the temperature of earth unaffected
causing absorption of heat from troposphere and thereby decreasing the temperature of earth with increase in $CO_2$ concentration

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