1. Take a look at the picture on the right. This is an actual road cut. What do you think this represents?
2. If we found a fossil that contained 50 atoms of C-14 (parent) and 25 atoms of N-14 (daughter) and we know that Carbon has a half life of 5,700 years. How many half lives has it gone through? How old is this fossil?
8/30 Flippin Friday
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