Chemistry, 20.08.2019 04:30 AlexGaming1822

Radioisotopes tell scientists that earth is how old?
a. 65 million years
b. 500 million years
c. 4.5 billion years
d. 13.4 billion years

Answers: 2

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Radioisotopes tell scientists that earth is how old?
a. 65 million years
b. 500 million...

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