1. The breath test uses radioactive carbon to detect H . pylori. 2. They have also tested their findings with radioactive carbon dating. 3. Radioactive carbon from the reeds provided precise dates for the age of the structures.4. This cycle may be repeated until something unusable, such as radioactive carbon , is created. 5. If the patient is infected with H . pylori, the breath sample will contain radioactive carbon dioxide. 6. The earliest caves are dated, based in part on radioactive carbon dating, to around the year 300. 7. She used radioactive carbon to measure the flow and sharing of carbon between individual trees and species. 8. Archaeologists are able to accurately date once-living materials by measuring the amount of radioactive carbon 14 in them. 9. A chief component of that air would be radioactive carbon 14, which is released as the waste decays. 10. Libby died in 1980 after winning the Nobel Prize in Chemistry in 1960 for developing the dating method using radioactive carbon -14.