Difference between revisions of "Oxygen"

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'''Oxygen''' (''periodic table symbol:'' O<sup>8</sup>) is a chemical element that can be found in the [[atmosphere]] and in several [[minerals]] on [[Mars]].
 
'''Oxygen''' (''periodic table symbol:'' O<sup>8</sup>) is a chemical element that can be found in the [[atmosphere]] and in several [[minerals]] on [[Mars]].
  
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==Biological significance==
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The metabolism of [[human|human beings]], [[:category:animals|animals]] and various [[microbes]] depends on oxygen. The atmosphere of Mars contains only 0.2 % oxygen, which is not enough to support animal or human life.
  
 
==Production==
 
==Production==

Revision as of 11:45, 25 November 2008

O 8
 
Oxygen

Abundance: 0.13% (atmosphere)

Oxygen (periodic table symbol: O8) is a chemical element that can be found in the atmosphere and in several minerals on Mars.

Biological significance

The metabolism of human beings, animals and various microbes depends on oxygen. The atmosphere of Mars contains only 0.2 % oxygen, which is not enough to support animal or human life.

Production

Oxygen can be produced