nicoleadams84 nicoleadams84 27-10-2020 Biology contestada What substances do each of the letters represent? ОА Wis O2; X is H2O; Y is CO2; and Z is glucose. B W is H20; X is O2; Y is CO2; and Z is glucose. OC W is H20; X is O2; Y is glucose; and Z is CO2. D W is CO2; X is O2; Y is H20; and Z is glucose.