| 21. | Cesium is a radioactive isotope often used in cancer research and radiation therapy.
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| 22. | Tritium is a radioactive isotope of hydrogen that poses a cancer risk when ingested.
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| 23. | Both of these radioactive isotopes were provided for the experiment by Lawrence Livermore Laboratory.
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| 24. | Atomic energy has been turned into productive channels and radioactive isotopes have been harnessed.
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| 25. | Radioactive isotopes were picked up by over 40 monitoring stations.
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| 26. | Cherenkov radiation is also widely used in biomedical research for detection of radioactive isotopes.
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| 27. | The becquerel is how many radioactive transformations per second occur in a radioactive isotope.
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| 28. | Increased accuracy in fMRI might also allow for the observation of subtle radioactive isotopes.
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| 29. | Unlike the bombs, Chernobyl released a great deal of the radioactive isotope cesium 137.
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| 30. | Radioactive isotopes infiltrated the food supply and seeped into groundwater.
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