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This is a picture of an argon laser. Electrified argon causes the green glow. Where did the argon come from? A. water B. an ore C. the air D. a mineral

User Cubski
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2 Answers

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the correct answer is 0.636.

User Hy
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Argon come from the air. It is a noble gas present in atmosphere. The percentage of argon in air is about 0.93%. Naturally, it is a colorless and odorless gas. When electrifies it gives a blue-green glow. Argon laser is used in field of medicine and surgery.

User Matthew Miles
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