katepic007 katepic007 17-05-2017 Chemistry contestada Carbon-14 is the typical radioisotope used to date materials; however it has limitation to 40000 years a scientist who wants to date materials older than 40000 years would most likely use A. Uranium- 238 B. Rubidium- 91 C. Iodine- 131 D. Cobalt- 60
