Put the right word into each gap: greenhouse, heat,
atmosphere, carbon dioxide, energy

The greenhouse effect is the rise in temper-
ature that the Earth experiences because certain
gases in the _______(water vapor, ______ for example) took _________from the sun. Without these gases, _______would goback into space and Earth's temperature wouldbe about 22'c colder. So, these guns warm ourworld, and they are called
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