Question

Which are the gases involved in breathing?
(a) O2 and NO2
(b) O2 and SO2
(c) O2 and O3
(d) O2 and CO2

Answer 1

Answer:

option d O2 and CO2 i.e. oxygen and carbon dioxide gases are involved in breathing

Answer 2

Answer:

(d ) 0²and 0³ is your answer