Chemistry, 15.07.2021 19:10 mackdoolittle1
A rock originally has 2200 atoms of 235U and no 207Pb. It now has 800 atoms of 235U. Assuming the only chemical process is the radioactive decay of uranium to lead, what is the age of the rock
Answers: 1
Chemistry, 22.06.2019 09:10
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
A rock originally has 2200 atoms of 235U and no 207Pb. It now has 800 atoms of 235U. Assuming the on...
Arts, 17.12.2021 01:00
Mathematics, 17.12.2021 01:00
English, 17.12.2021 01:00
Mathematics, 17.12.2021 01:00
English, 17.12.2021 01:00
Mathematics, 17.12.2021 01:00