The noble gas argon accounts for approximately _____ of the earth's atmosphere.
A) 10%
B) 0.9%
C) 0.1%
D) 0.01%
E) 0.001%

Name: The noble gas argon accounts for approximately _____ of the earth's atmosphere. A) 10% B) 0.9% C) 0.1% D) 0.01% E) 0.001%
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Argon makes up about 0.9% of the Earth's atmosphere. While it is present in low concentrations, it is still significant enough to be useful in a variety of applications, such as in light bulbs and welding.

The Noble Gas Argon Accounts for Approximately _____ of the Earth's