Question

please answer the answer fast

The gases present in lesser quantities in the atmosphere are carbon dioxide, ____, ____, ____ and _____

std 7th by the way (lesson : composition of air) ​

Answer 1

Answer:

CH4 (Mithen) (0.000178%) , H2 (Hydrogen) (0.00005%) ,O3(Ozone) (0.00003%) And He(Helium) (0.00052%)