Multiple Choice
There are approximately 2 × 1022 molecules and atoms in each breath we take and the concentration of CO in the air is approximately 9 parts per million.Approximately how many CO molecules are in each breath we take?
A) 2 × 1015
B) 1.8 × 1017
C) 2 × 1017
D) 2 × 1029
Correct Answer:

Verified
Correct Answer:
Verified
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