| 21. | Radioactive isotopes emitting gamma rays are used almost entirely for medical purposes.
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| 22. | Olaussen says, emitting a sigh any duffer can appreciate.
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| 23. | Frankel said of his boast, emitting a hint of a laugh.
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| 24. | Contrary to common wisdom, all light-emitting diodes produce heat.
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| 25. | The monitor then goes dead, emitting a harsh squeal.
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| 26. | Lafau said the volcano was still emitting red hot rocks on Friday.
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| 27. | They have been emitting GHGs for more than 150 years.
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| 28. | Popocatepetl has been active since 1994, periodically emitting ash and rocks.
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| 29. | There are crusty brown baguettes and boules emitting earthy-sweet aromas.
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| 30. | So far, 40 low-emitting countries have ratified the treaty.
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