Question:
Among the gases (a)-(e), the gases that cause greenhouse effect are:
(a) $\mathrm{CO}_{2}$
(b) $\mathrm{H}_{2} \mathrm{O}$
(c) $\mathrm{CFCs}$
(d) $\mathrm{O}_{2}$
(e) $\mathrm{O}_{3}$
Correct Option: , 2
Solution:
$\mathrm{CO}_{2}, \mathrm{O}_{3}, \mathrm{H}_{2} \mathrm{O}$ vapours and $\mathrm{CFC}^{\prime}$ s are the gases that cause green house effect.