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If scientists determine the age of a rock to be three billion years old, what else do they know? A) the rock came from outside the solar system B) the rock was part of a comet C) the Earth is at least three billion years old D) the Earth is younger than three billion years old

User Chinatsu
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2 Answers

3 votes
I think it might be C.
User Jarett Millard
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5 votes
c) the earth is at least billion years old

User OmaL
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