CO 2 (6,7)
I believe the answer is:
carbon dioxide
(Other definitions for carbon dioxide that I've seen before include "Greenhouse gas" , "Gas produced in breathing" , "Gas for dry ice" , "Gas breathed out" , "CO2" .)
I believe the answer is:
carbon dioxide
(Other definitions for carbon dioxide that I've seen before include "Greenhouse gas" , "Gas produced in breathing" , "Gas for dry ice" , "Gas breathed out" , "CO2" .)