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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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wasala18 wasala18
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3 months ago

The air at sea level is ~80% oxygen and ~20% nitrogen.



▸ true

▸ false
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
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greiner76greiner76
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3 months ago
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wasala18 Author
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3 months ago
Thank you, thank you, thank you!
big_larry_samp
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Yesterday
This helped my grade so much Perfect
emilyas19
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2 hours ago
Thanks for your help!!
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