hevnerenkaldret4841 hevnerenkaldret4841

09-03-2019
Biology

contestada

Which atoms have half-lives that are longer than the age of the oldest microfossils?

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PeachyLove PeachyLove

09-03-2019

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➷ The atoms are:

Rubidium - 87

Thorium - 232

Uranium - 238

✽

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