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Oxygen

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Q: Which of the atmosphere's gases is most importsnt to humans and animals?
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Related questions

Is earth the only known planet with an atmosphere?

No. Many planets have atmospheres, but most are made of noxious gases, have to great an amount of pressure, or are to cold or hot to be habitable for humans.


What gases are found in the atmospheres of gas giants?

Hydrogen and Helium


What is meant by the term 'loose atmospheres'?

'loose atmospheres': are the build-up and presence of obnoxious gases within the drainage system.


What is the two main gases of the atmospheres of the outer planets?

amonia, hydrogen,


Why do Mercury and Mars have no atmospheres?

Their gravity is too weak to hold on to atmospheric gases.


Which planets have atmospheres?

All the planets in our Solar System have atmospheres, except for Mercury, which only has minute traces of gases.


Do dogs breathe out the same gasses as humans do?

All animals breathe out the same gases. It's a fact of Respiration.


Why do gases mix in the Troposphere?

So they make air, and carbon dixodie so plants, animals, and humans can breath.


What does a tailpipe do?

A tailpipe directs the exhaust gases from an operating combustion device away from areas where animals or humans are present.


What are the atmospheres of all the planets like?

78% nitrogen 20% oxygen 1% of other gases


The main element element in the atmospheres?

Nitrogen at 78%. Oxygen at 21%. and other gases at 1%


What is the atmospheres role in the exchange of gases on earth?

The atmosphere exchanges gases by means of convection, radiation, and conduction. This is how energy is transferred between the Earth and the atmosphere.