Atmospheric concentration of argon

A. 0.01%

B. 0.93%

C. 0.09%

D. 0.1%

Answer: Option B

Solution(By Examveda Team)

Our Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, 0.9 % argon and 0.1% of all other gases like carbon dioxide, methane, water vapour and neon.
Argon is the third most abundant noble gas in the earth’s atmosphere at 0.934%.