| 21. | It is a refinement of the potassium-argon technique.
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| 22. | Potassium-40, for instance, decays to argon-40.
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| 23. | Four other crew members aboard the Argon were not injured.
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| 24. | Argon is also used in blue-green gas laser.
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| 25. | Also, potassium-argon dating is used to date igneous rocks.
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| 26. | Cores were dated by potassium argon and argon argon dating.
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| 27. | Cores were dated by potassium argon and argon argon dating.
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| 28. | Acceleration energies for gases such as argon are typically a few kilovolts.
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| 29. | Cauterizing can be done with a cautery unit or an argon laser.
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| 30. | Argon is one example of a commonly used rarefied gas.
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