Multiple Choice Question Answer III — task. Science CBSE, Class 9.

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1. Greenhouse effect is related to:

Green trees on house
Global warming
Greenery in country
Grasslands

2. The greenhouse effect is due to:

Impermeability of long wavelength radiations through the \(O_3\) layer
Penetrability of low wavelength radiations through \(O_3\) layer
Penetrability of low wavelength radiations through \(CO_2\)
Impermeability of long wavelength radiations through \(CO_2\) of the atmosphere

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