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Asked by malik

what is air made up of?
what causes wind?
16 years ago

Answers

Answered by drwls
Air is made of nitrogen (78%), oxygen (21%) and argon (0.9%) . There is also about 0.04% CO2.

Wind is caused by atmospheric pressure differences. These in turn are due to uneven heating of the atmosphere and changes in humidity.
16 years ago
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