You find a fossil that you think is about 350 million years old. You decide to use ²³⁵U to date a volcanic ash bed just below the key specimen. If you are correct, what approximate percentage of the original ²³⁵U would you expect to remain in your sample? A)0% B)25% C)50% D)75% E)100%

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The Answer of You find a fossil that you think is about 350 million years old. You decide to use ²³⁵U to date a volcanic ash bed just below the key specimen. If you are correct, what approximate percentage of the original ²³⁵U would you expect to remain in your sample? A)0% B)25% C)50% D)75% E)100%

You Find a Fossil That You Think Is About 350