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Which gases contribute to the greenhouse effect?

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A.)nitrogen and helium B.)carbon dioxide and methane C.)carbon dioxide and helium D.)nitrogen and methane read more

Currently, carbon dioxide accounts for more than 60 percent of the enhanced greenhouse effect caused by the increase of greenhouse gases, and the level of carbon dioxide in the atmosphere is increasing by more than 10 percent every 20 years. read more

Too much greenhouse effect: The atmosphere of Venus, like Mars, is nearly all carbon dioxide. But Venus has about 154,000 times as much carbon dioxide in its atmosphere as Earth (and about 19,000 times as much as Mars does), producing a runaway greenhouse effect and a surface temperature hot enough to melt lead. read more

The two main gases responsible for the greenhouse effect (and not noly its recent increase) are : Water vapour (H2O), carbon dioxyde (CO2). There are others such gases, and even many others. read more

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