How much is % is argon gas (a)15% (b)6% (c)9% (d)none of the above IF YOU THINK IT IS NONE OF ABOVE THAN TELL THE WRITE ANSWER

How much is % is argon gas (a)15% (b)6% (c)9% (d)none of the above I

1.	How much is % is argon gas (a)15% (b)6% (c)9% (d)none of the above IF YOU THINK IT IS NONE OF ABOVE THAN TELL THE WRITE ANSWER
Answer» ACCORDING to NASA 0.93 percent argon PRESENT in EARTH's atmosphere. THANKS