a.co2 and water
b.glucose and oxygen
those two answers are deducted form the chemical reactions of photosyntheis
6CO2+6H2O--->C6H12O6+6O2
c.glucose and oxygen
d.carbon dioxide and water
those two answers are deductef from the chemical reaction of aerobic respiration
C6H12O6+6O2-->6CO2+6H2O