Biology, 22.07.2021 23:20 dakshshberry
Iron-55 has a half-life of 3 years. How much of a 40 gram sample will remain after 12 years? A. 0 grams B. 4 grams C. 2.5 grams D. 20 grams
Answers: 2
Biology, 23.06.2019 00:30, majailaharris200
Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?
Answers: 3
Iron-55 has a half-life of 3 years. How much of a 40 gram sample will remain after 12 years? A. 0 gr...
Mathematics, 27.04.2021 16:10
History, 27.04.2021 16:10
Mathematics, 27.04.2021 16:10
English, 27.04.2021 16:10