Air

Air is a name for the mixture of gases present in the Earth's atmosphere.

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Compressed air is often used in scuba diving as a shallow water breathing gas and to inflate buoyancy devices. Compressed air is also used as the means of transmission of energy to pneumatic tools.

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By volume, air is about:

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• 78.084% Nitrogen (N₂)
• 20.947% Oxygen (O₂)
• 0.934% Argon (Ar)
• 0.033% Carbon Dioxide (CO₂)

With trace amounts of:

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• Neon (Ne)
• Helium (He)
• Krypton (Kr)
• Sulfur dioxide (SO₂)
• Methane (CH₄)
• Hydrogen (H₂)
• Nitrous Oxide (N₂O)
• Xenon (Xe)
• Ozone (O₃)
• Nitrogen dioxide (NO₂)
• Iodine (I₂)
• Carbon monoxide (CO)
• Ammonia (NH₃)

Gas: :For other meanings see gas (disambiguation)....

Earth's atmosphere: Earth's atmosphere is the layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen, with trace amounts of other gases. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extre...

Scuba diving: Scuba diving is the use of independent breathing equipment to stay underwater for long periods of time for recreational diving and professional diving. Generally the diver swims underwater, but walking and the use of diver propulsion vehicles is possible while breathing from scuba equipment. The wor...

Air related Images and Photos (experimental)

Air Mail	Air Mail	Air India	Air Picks
Air France	Air Afrique	Air Afrique	Air Afrique
Air Afrique	Air Catalina	Con-Air	Con-Air