Which one among the following has the highest concentration in the

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

[amp_mcq option1=”Argon” option2=”Carbon dioxide” option3=”Neon” option4=”Methane” correct=”option1″]

This question was previously asked in

UPSC Geoscientist – 2021

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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