jay5897
jay5897 jay5897
  • 28-03-2019
  • Chemistry
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Based on this graph what was the oxygen content of the earths atmosphere about 500million years ago

Based on this graph what was the oxygen content of the earths atmosphere about 500million years ago class=

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myabby218ox0aop
myabby218ox0aop myabby218ox0aop
  • 28-03-2019

12 percent is your answer :))

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