The four oxygen atoms are used to change carbon containing &quot;foods&quot; or &quot;fuels&quot; into carbon dioxide.
(The four oxygen atoms; are used; to change carbon containing &quot) (The four oxygen atoms; to change; carbon containing &quot) (foods&quot; or &quot; quot; )
The four oxygen atoms The four oxygen atoms foods&quot
are used to change or &quot
to change carbon containing &quot
carbon containing &quot
quot