General Science • ChemistryMedium
Which noble gas is most abundant by volume in dry atmospheric air?
A. Helium
B. Neon
C. Argon✓ Correct Answer
D. Krypton
💡 Solution & Explanation
Argon constitutes approximately 0.93 percent of dry air by volume, making it the most abundant noble gas in the Earth atmosphere. Helium and neon exist in much lower trace concentrations within atmospheric layers. Atmospheric composition questions frequently appear in general science and geography sections.
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