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Coco Coco
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6 years ago

Although these are all common in our atmosphere, which one is not a greenhouse gas?
  a. Carbon dioxide
  b. Methane
  c. Nitrogen
  d. Water vapor

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joanneannajoanneanna
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6 years ago
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Coco Author
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6 years ago
Thanks for your help!!
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Thanks
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2 hours ago
You make an excellent tutor!
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