Smarty Pants Quiz
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Approximately how old is the Earth?
6 billion years
6 thousand years old
4.5 billion years old
4.5 million years
No, sorry... Try again!
By dating the rocks in Earth's crust, as well as the rocks from the moon and visiting meteorites, scientists have calculated that Earth is approximately 4.5 billion years old.
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09
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Approximately how old is the Earth?
4 of 5 people (80%) answered this question correctly.
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