Which one among the following has the highest concentration in the

Which one among the following has the highest concentration in the atmosphere?

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Argon

Carbon dioxide

Neon

Methane

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC Geoscientist – 2021

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The correct answer is Argon.

While Nitrogen (~78%) and Oxygen (~21%) are the most abundant gases in the atmosphere, among the options provided, Argon has the highest concentration, making up about 0.93% of the dry atmosphere.

The concentrations of the other gases listed are significantly lower: Carbon dioxide is approximately 0.04%, Neon is about 0.0018%, and Methane is around 0.00018%.

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