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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Think Think
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What is the major component of the air we breathe?
A) nitrogen
B) oxygen
C) argon
D) carbon dioxide
E) smog

Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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mel!811mel!811
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