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you found a rock, and through testing found out that it had just as much lead-206 as uranium in it. How old would you conclude the rock to be?
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The language and religion of france developed from which people? a. the franks b. the gauls c. the anglo-saxons d. the romans
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How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above
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you found a rock, and through testing found out that it had just as much lead-206 as uranium in it....
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