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

d.) O2 and co2

app mere swal ka jwab hi nahi rahe ji

mere friend ni bnoge app?

Answer 2

Answer:

d) O2 and CO2

hello

good day!!!

have gre8 day