Noah Phipps added subsubsection_Early_Atmosphere_begin_itemize__.tex  over 7 years ago

Commit id: 9fcd3760202f00f1a499f43e88620dc011458ac5

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\subsubsection{Early Atmosphere}  \begin{itemize}  \item Initially very little oxygen  \item Initial oxygen used to oxidise rocks, only travelled to atmosphere after  \item Concentration stabilised at 21\%  \item Un-natural gases, such as CFC's, are pollutants  \item Spread by diffusion and air currents  \end{itemize}