Which of the following gas is found in the Lunar Exosphere recently by – McqOptions

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1.	Which of the following gas is found in the Lunar Exosphere recently by Chandrayaan 2's orbit?
A.	helium-3
B.	Argon-40
C.	Xenon - 129
D.	krypton-82
Answer» C. Xenon - 129

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