What is the air made of? Here is the percentage of elements!

Posted December 2, 2020 / Nature
What is the composition of air? Here is the answer!

The air in our planet's atmosphere contains not only oxygen. Here is the percentage of each gas in the Earth's dry air:

  • Nitrogen (≈78%)
  • Oxygen (≈21%)
  • Argon, CO2 and other gases (≈1%)

The air we breathe is always blended with water vapours, depending on the relative humidity in each particular area.

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