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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences Trending Topics
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Wrogue Wrogue
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Posts: 4833
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9 years ago
The concentration of carbon dioxide in the atmosphere is ________.
A) a small fraction of 1%
B) approximately 10%
C) approximately 30%
D) approximately 50%
E) approximately 75%
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GeoExpGeoExp
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9 years ago
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Wrogue Author
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#2
9 years ago
Your assistance has been above and beyond my expectations! So glad to have joined this forum. Thanks, and will mark as this thread officially solved Smiling Face with Open Mouth
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#3
9 years ago
Always nice to know I've helped.
Good luck with the rest of them.

- GeoExp
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