isabellarose2004
isabellarose2004 isabellarose2004
  • 21-02-2020
  • Physics
contestada

why was there so little oxygen at this time

why was there so little oxygen at this time class=

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anna0thrasher7
anna0thrasher7 anna0thrasher7
  • 21-02-2020
There was no ozone layer to protect life from ultraviolet radiation and no oxygen for animals to breathe.
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