Greenhouse gases trap heat in the atmosphere which makes the Earth warmer. Which of these groups consists of greenhouse gases that cause most harm?

Methane, Carbon dioxide, Nitrous oxide

Greenhouse gases trap heat in the atmosphere which makes the Earth war

1.	Greenhouse gases trap heat in the atmosphere which makes the Earth warmer. Which of these groups consists of greenhouse gases that cause most harm?
A.	Methane, Carbon dioxide, Nitrous oxide
B.	Nitrogen, Oxygen, Methane
C.	Ozone, Carbon monoxide, Helium
D.	Water vapour, Nitrogen, CFCs
Answer» B. Nitrogen, Oxygen, Methane

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Greenhouse gases trap heat in the atmosphere which makes the Earth warmer. Which of these groups consists of greenhouse gases that cause most harm?

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