Physics, 01.12.2020 17:00 isobelbunney
If a scientist wants to figure out how old a rock layer is, would it be useful to use a substance that takes a long time to break down (has a long half life), or a substance that breaks down quickly?
A. A substance that breaks down slowly, because then there won't be enough left to measure
B. A substance that breaks down slowly, because then there will be enough left to measure.
C. A substance that breaks down quickly, so it will be all gone and we'll know it's old
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If a scientist wants to figure out how old a rock layer is, would it be useful to use a substance th...
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