Question

what is meaning of air​

Answer 1

Answer:

Air is the general name for the mixture of gases that makes up the Earth's atmosphere. This gas is primarily nitrogen (78%), mixed with oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and trace gases. Pure air has no discernible scent and no color.

Answer 2

Answer:

Important Uses of Air

• Sustain life and growth.
• Combustion.
• Maintaining Temperature.
• Supplier of Energy.
• Photosynthesis.
• Explanation:
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