Air

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More Specific Terms

• air cleaner; air filter

Introduction

• A mixture of odourless gases found in the atmosphere in the following approximate percentages by volume after water vapor has been removed.

*             Oxygen: 20.95 
*           Nitrogen: 78.08 
*              Argon: 0.93 Carbon dioxide(CO2): 0.03 Other gases: 0.01

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.

air