CO2 is heavier than O2 and N2 gases present in the air but it does not – InterviewSolution

1.	CO2 is heavier than O2 and N2 gases present in the air but it does not form the lower layer of the atmosphere. Why?
Answer» Gases possess the property of diffusion which is independent of the force of gravitation. Due to diffusion, the gases mix into each other and remain almost uniformly distributed in the atmosphere.

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