Topic: Oxygen in the Atmosphere
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Answers to Common Questions
How Much Oxygen is in the Atmosphere?
The atmosphere is 21% free oxygen, 78% Nitrogen, and .03% Carbon Dioxide plus some other gases including H2O. It is possible that phytoplankton in our oceans contribute somewhere between 50 - 85% of the oxygen in our atmosphere! Read More »
Source: http://answers.ask.com/Science/Other/how_much_oxygen_is_in_the_at...
How is oxygen added to the atmosphere?
Atmospheric oxygen is a result of photosynthesis by plants (including cyanobacteria - blue -green algae - which was responsible for the initial conversion of earth 's atmosphere from its anoxic state) . Photosynthesis is carried out in plan... Read More »
Source: http://wiki.answers.com/Q/How_is_oxygen_added_to_the_atmosphere
What produces oxygen for the atmosphere?
Photosynthesis, the process that plants (and plankton) use to convert carbon dioxide into energy for themselves. And eject oxygen like we eject carbon dioxide. Read More »
Source: http://wiki.answers.com/Q/What_produces_oxygen_for_the_atmosphere
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Oxygen in the Atmosphere
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Answers to Other Common Questions
21% of oxygen covers the atmosphere
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Source: http://wiki.answers.com/Q/What_is_the_percentage_of_oxygen_the_in...
Trees and plants duhh
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Source: http://wiki.answers.com/Q/What_introduces_oxygen_into_the_atmosph...
78% of the atmosphere is oxygen.
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Source: http://wiki.answers.com/Q/What_percent_of_the_atmosphere_is_oxyge...
Photosynthesis is the main source of atmospheric oxygen; but some 'may' come from water vapour being split into oxygen & hydrogen by ultraviolet radiation. Plants
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Source: http://wiki.answers.com/Q/In_the_atmosphere_oxygen_is_what
the first person to discover oxegen was aman call abdulla sack in 1850
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Source: http://wiki.answers.com/Q/What_is_the_importance_of_oxygen_in_the...
Plants and trees especially add oxygen to the atmosphere
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Source: http://wiki.answers.com/Q/What_adds_oxygen_to_the_atmosphere
