The carbon dioxide levels in air in soil can exceed 10%, which is 300 times higher than the carbon dioxide concentrations of the air we breathe.
(The carbon dioxide levels in air in soil; can exceed; 10%, which is 300 times higher than the carbon dioxide concentrations of the air) (10%; is; 300 times higher than the carbon dioxide concentrations of the air) (the carbon dioxide concentrations of the air; breathe; we)
The carbon dioxide levels in air in soil 10% the carbon dioxide concentrations of the air
can exceed is breathe
10%, which is 300 times higher than the carbon dioxide concentrations of the air
300 times higher than the carbon dioxide concentrations of the air
we