Answers: 2
Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
Biology, 22.06.2019 22:00
What did nikola tesla invent that influence our way of living?
Answers: 1
Biology, 23.06.2019 03:00
Ineed on only on number 6 this is the only question that i need on
Answers: 2
How long can a human live without food...
Computers and Technology, 26.10.2019 03:43