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Chemistry, 09.12.2019 05:31 soogy

How old is earth according to the geological time scale?
a. 290 million years old
b. 542 million years old
c. 2.5 billion years old
d. 4.6 billion years old

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How old is earth according to the geological time scale?
a. 290 million years old
b. 5...

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