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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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jaypatel432 jaypatel432
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6 years ago
Of all the human-caused gases, which gas makes the greatest relative contribution to increasing the greenhouse effect?
 
  a) hydrogen
  b) methane
  c) carbon dioxide
  d) oxygen
  e) ozone
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ecarvallo1ecarvallo1
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#1
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6 years ago
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jaypatel432 Author
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6 years ago
Thanks
kc123
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Yesterday
You make an excellent tutor!
cipcal
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2 hours ago
Good timing, thanks!
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