Question

Order the atoms involved in cellular respiration from most prevalent to least.(1 point)
Responses

H, C, O
H, C, O

O, H, C
O, H, C

C, H, O
C, H, O

H, O, C

Answer 1

O, H, C

Reason: In the balanced reaction C6H12O6 + 6 O2 → 6 CO2 + 6 H2O the totals are O = 18, H = 12, C = 6, so oxygen > hydrogen > carbon.