The human body has no biological process using argon. However, in greater than atmospheric concentrations, it has been shown to both increase the consumption of oxygen by cells, and conversely to mitigate the effect of acute hypoxia (in lab rats).
Less than one percent- approximately 0.934%
no
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It takes up nearly 1%
Photosynthesis converts carbon dioxide into oxygen. Therefore, much of the oxygen in our atmosphere is present due to photosynthesis.
The absorption of thermal energy from the ground heats the lower atmosphere and keeps Earth's surface much warmer than it would if there were no atmosphere. :)
Assorted gases such as argon, the rest of the atmosphere is pretty much just Oxygen and Nitrogen.
At about 1% of Earth's atmosphere, argon is the 3rd-most plentiful of the atmosphere's elements.
In both lunar rocks and the atmosphere of Venusthe Argon 40/argon 36 ratio is 1:1 while in the atmosphere of Earth argon 40 is 99.6%
32% the of the atmosphere is Argon, Oxygen and Other stuff
Argon accounts for 0.93% (by volume) or 1.3% (by mass) of the earth's atmosphere.
the Martian atmosphere is made up of 95% Carbon Dioxide, 3% nitrogen, 1.6% argon, and 0.4% oxygen.
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Nitrogen accounts for 78% of the atmosphere.
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
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If there were no atmosphere, there would be no plants and animals.