He didn't actually say it was. You may have inferred where there was no implication.
CO2 is needed for life as we know it every bit as much as O2 and H2O.
In balance. Even that which is vital can become dangerous in excess.
Space/Science » in reply to CO2 is not a particulate.
CO2 is needed for life as we know it every bit as much as O2 and H2O.
In balance. Even that which is vital can become dangerous in excess.