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In this context, what does "hold in" mean? The greenhouse effect happens on Venus, too. Venus’s thick carbon dioxide atmosphere holds in most of the sun’s heat. In this context, what does "hold in" mean? Please help me!! Thanks!!
Feb 22, 2014 3:47 AM
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Traps
February 22, 2014
retains
February 27, 2014
Anotherworld
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English, Korean
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English