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    What percentages of each gas was present in the early atmosphere?
    (Accurate percentages needed)
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    (Original post by Shahnaz123)
    What percentages of each gas was present in the early atmosphere?
    (Accurate percentages needed)
    Time machine needed ...

    contact
    Dr Who,
    Time And Relative Dimensions In Space (TARDIS)
    BBC
    London.
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    One of them was definitely 18%.
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    Is this before or after I farted?
 
 
 
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