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en.wikipedia.org/wiki/Atmosphere_of_Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity. The atmosphere of ...

www.space.com/17683-earth-atmosphere.html

Oct 13, 2017 ... Earth is the only planet in the solar system with an atmosphere that can sustain life. The blanket of gases not only contains the air that we ...

scifun.chem.wisc.edu/CHEMWEEK/GasesofAir2017.pdf

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much ... Because of the action of wind, the percent composition of air varies.

tornado.sfsu.edu/geosciences/classes/m201/Atmosphere/AtmosphericComposition.html

Table 1 lists the eleven most abundant gases found in the Earth's lower atmosphere by volume. Of the gases listed, nitrogen, oxygen, water vapor, carbon ...

climate.ncsu.edu/edu/k12/.AtmComposition

Aug 9, 2013 ... The atmosphere contains many gases, most in small amounts, including some pollutants and greenhouse gases. The most abundant gas in the ...

www.thoughtco.com/most-abundant-gas-in-the-earths-atmosphere-604006

Feb 9, 2017 ... The most abundant gas in the atmosphere is nitrogen. Even though you may see a lot of clouds, water vapor only account for up to 4% of the ...

sunshine.chpc.utah.edu/Labs/OurAtmosphere/atm_gases1.html

Let's take a moment to look at what makes up the "air" in the Earth's atmosphere. The air is really a mixture of many different gases, and each gas has its own ...

www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/oils/changesrev4.shtml

The Earth's atmosphere has remained much the same for the past 200 million years. The pie chart shows the proportions of the main gases in the atmosphere.

scied.ucar.edu/shortcontent/earths-atmosphere

Earth's atmosphere is a mixture of gases that surrounds our home planet. Besides providing us with something to breathe, the atmosphere helps make life on ...