Earth Day: How much do you know about climate change? Take our quiz.

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A lot of people have opinions about climate change, but do they really know what they are talking about? Test your knowledge with this quiz.

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1. Which of the following is NOT a greenhouse gas?

Argon is almost completely unaffected by infrared radiation, and does not therefore contribute to the greenhouse effect.

Argon is almost completely unaffected by infrared radiation, and does not therefore contribute to the greenhouse effect.

Argon is almost completely unaffected by infrared radiation, and does not therefore contribute to the greenhouse effect.

Argon is almost completely unaffected by infrared radiation, and does not therefore contribute to the greenhouse effect.

Methane

 

Nitrous oxide

 

Argon

 

Ozone

 
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