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2 votes
The greenhouse effect is caused by ______. a buildup of carbon dioxide in the atmosphere the trapping of the sun's heat pollution from burning fossil fuels all of the above

2 Answers

6 votes
Carbon dioxide CO2, ozone O3, methane and vapor.

Hope this helps.
answered
User Jorge Silva
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7.9k points
4 votes
It is caused by Carbon dioxide, Ozone, Methane and Water vapor!
answered
User Mistalis
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7.6k points
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