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Greenhouse Effect

Select the co...

Question

Select the correct statements about greenhouse gases:

A. Carbon dioxide is the only gas in the atmosphere which causes global warming.
B. The greenhouse gases trap heat and do not allow heat to escape into outer space.
C. Water vapours do not contribute to the greenhouse effect.
D. The presence of excessive greenhouse gases in the atmosphere is responsible for global warming.

A

A and B

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B

B and D

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C

C and B

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D

D and A

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Solution

The correct option is B B and D
The primary green house gases in earth's atmosphere are water vapour, $C O_{2}$ , $C H_{4}$ , $N_{2} O$ , $O_{3}$ , $C F C$ etc. Thus $C O_{2}$ is not the only green house gas and water vapours also contribute to global warming.

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Similar questions

Q. Read the following statements and select the correct statements about greenhouse gases:
a) Carbon dioxide is the only gas in the atmosphere which causes global warming.
b) The greenhouse gases trap heat and do not allow heat to escape into outer space.
c) Water vapors do not contribute to greenhouse effect.
d) The presence of excessive greenhouse gases in the atmosphere is responsible for global warming.

Q. Certain gases in the atmosphere known as greenhouse gas that absorb and emit heat and contributes to global warming. Which of the following gases is not considered in the list of gases known to have greenhouse effect?

Q. Carbon dioxide is one of the greenhouse gases and an increase in the carbon dioxide content in the atmosphere would cause more heat to be retained by the atmosphere and lead to global warming.

Q. Consider the following statements:
1. Global Warming is a phenomenon in which lower atmosphere traps more terrestrial radiation and thus the mean global temperature of the earth rises beyond

14 ° C

.
2. Global Warming takes place because of rise in the concentration of gases known as greenhouse gases namely-water, vapour,

C O_{2}, C H_{4}

, oxides of Nitrogen and man-made gases like

C F C s

.
3. Among the greenhouse gases,

C O_{2}

is primarily responsible for Global Warming.
Which of the statements given above is/are correct?

Q. State true or false.
Carbon dioxide is one of the greenhouse gases and an increase in the carbon dioxide content in the atmosphere would cause more heat to be retained by the atmosphere and lead to global warming.

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