Chemistry, 03.09.2021 18:00 haydenbell269
An asteroid floating through space was recently landed on by a NASA drone. The drone took a sample of the rock layers and found 1/32 of the original Rubidium-87 in the rock layer. The half-life of Rubidium-87 is 48.8 Billion year. How old is the rock?
Answers: 2
Chemistry, 22.06.2019 06:20, stephliu721
What is a property of a double replacement reaction
Answers: 1
Chemistry, 23.06.2019 04:00, Bassoonist
How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
Answers: 1
An asteroid floating through space was recently landed on by a NASA drone. The drone took a sample o...
Mathematics, 05.03.2021 21:50
English, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
History, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50