Honestly it would be the Exosphere<span> but since that's not one of the choices it would be the Thermosphere. </span>
It is (D) Carbon dioxide.
in lactic acid=C6H12O6 to produce 2C3H6O3+Energy.
in alcoholic fermentation=C6H12O6 to produce 2C2H5OH+2CO2.
therefore all of them produce (D) Carbon dioxide.
B . , because I remember this