Air composition

Name the components of air (Standard Dry Air), by percentage volume.

You may give your answers in any order.

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- - % Volume
  - Component
- - 78.08%
  - Nitrogen
- - 20.95%
  - Oxygen
- - 0.93%
  - Argon
- - 0.038%
  - Carbon Dioxide
- - 0.0018%
  - Neon
- - % Volume
  - Component
- - 0.0005%
  - Helium
- - 0.0001%
  - Krypton
- - 0.00005%
  - Hydrogen
- - 0.0000087%
  - Xenon

Source / copyright information: en.wikipedia.org/wiki/Standard_Dry_Air

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