The greenhouse effect is caused by:
i) Accumulation of $O_{2}$ in the atmosphere
ii) Depletion of $O_{3}$ layer
iii) Accumulation of $C O_{2}$ in the atmosphere

i and ii

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i only

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iii only

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i and iii

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Solution

The correct option is D iii only
Greenhouse effect:
The progressive heating up of the surface of the Earth is called the greenhouse effect or global warming.
$C O_{2}$ and $H_{2} O$ block a part of the heat emitted by the Earth and reflect it back. Due to this, the Earth's surface gets heated up.
50% of $C O_{2}$ content of air can increase the surface temperature of the Earth by $3^{o} C$ .
In addition to $C O_{2}$ , the other greenhouse gases are $C F C$ (17%), $O_{3}$ (18%), $N O$ (4%) and water vapour (2%).

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Similar questions

C O_{2}

H_{2} O

O_{3}

O_{2}

The greenhouse effect is caused due to ozone layer depletion.

Q74) How are Green House Effect and Ozone layer depletion related?

i) Greenhouse effect causes ozone layer depletion

ii) Ozone layer depletion causes greenhouse effect.

iii) There is no relation between the two phenomena.

iv) Chlorofluorocarbons are one of the culprits in both the cases.

Which of the above statements are true?

C O_{2}

C O_{2}

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