Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A one-gram sample of wood taken from a living tree gives a rate for carbon-14 decay of 13.6 counts per minute. If the half-life for carbon-14 is 5720 years, how old is a wood sample that gives a rate for carbon-14 decay of 7.9 counts per minute? A. 5.3 x 102 yr. B. 7.6 x 102 yr. C. 1.1 x 103 yr. D. 9.5 x 103 yr.
Answers: 1
Chemistry, 22.06.2019 04:00
4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal
Answers: 2
Chemistry, 22.06.2019 18:10
Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root
Answers: 3
Chemistry, 23.06.2019 02:30
Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.
Answers: 1
Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A...
Mathematics, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
Chemistry, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
History, 21.01.2021 19:30
Social Studies, 21.01.2021 19:30
Mathematics, 21.01.2021 19:30
Health, 21.01.2021 19:30