The greenhouse effect is caused by which of the following?
- AOnly methane
- B$CO_2$ and $SO_2$
- C$CO_2, SO_2$ and $NO_2$
- D$CO_2, CFC, CH_4$ and $NO_2$ gases
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Similar Questions
Identify the correct statements from the following:
$i$. In the presence of $UV$ light,$CF_2Cl_2(g)$ gives chlorine free radicals which will react with $O_3(g)$ to form $O_2(g)$.
$ii$. Drinking water with $10 \ ppm$ fluoride is better than drinking water with $1 \ ppm$ fluoride.
$iii$. The maximum permissible concentration of lead in drinking water is $50 \ ppb$.
$i$. In the presence of $UV$ light,$CF_2Cl_2(g)$ gives chlorine free radicals which will react with $O_3(g)$ to form $O_2(g)$.
$ii$. Drinking water with $10 \ ppm$ fluoride is better than drinking water with $1 \ ppm$ fluoride.
$iii$. The maximum permissible concentration of lead in drinking water is $50 \ ppb$.
How is ozone formed in photochemical smog?
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View SolutionWhich substance is now used in refrigerators instead of $CFC$s?
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View SolutionWhich region of the atmosphere is the domain of all living organisms?
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