lindy4
lindy4 lindy4
  • 26-09-2016
  • Chemistry
contestada

How do we know that air we breathe is matter?

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josiah168
josiah168 josiah168
  • 26-09-2016
Because all matter has density and since air has density then air is matter and plus EVERYTHING is made of matter
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bedwards1225
bedwards1225 bedwards1225
  • 20-08-2018

Nerves inside us. They send signals to our brains.

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