Geography, 16.10.2019 01:00 adeliabujang8881
Ameteorite was found to contain 40 argon-40 atoms for every 10 potassium-40 atoms. the half-life of postassium-40 is 1.25 billion years. assuming no loss of daughter isotopes, how old is the moon rock?
2.5 billion years old
3.75 billion years old
6.75 billion years old
10.5 billion years old
Answers: 3
Geography, 22.06.2019 07:20, manaspercy
Iam stuck on this question! 45 points : ) how do increases in temperature affect the density of ocean water? answer choices: (a) density does not change (b) density increases (c) density becomes variable (d) density decreases
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Geography, 23.06.2019 09:30, Mypasswordishotdog11
The earth rotates on its axis and revolves around the sun every
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Ameteorite was found to contain 40 argon-40 atoms for every 10 potassium-40 atoms. the half-life of...
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