Climate Change Answers

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Why is it commonly believed that carbon dioxide is responsible for global warming?

Carbon dioxide levels in the Earth’s atmosphere have been steadily decreasing.

Carbon dioxide has a longer average lifetime in the atmosphere.

The warming effect associated with carbon dioxide has remained unchanged.

Other greenhouse gases amplify the effect of carbon dioxide.

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Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?

carbon dioxide

fluorinated gas

nitrous oxide

methane

Which is a possible result of higher air temperatures caused by climate change?

decrease in strength of hurricanes

freezing of polar ice caps

rapid evaporation of water in the soil

increase in human population numbers

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