Telling Geologic Time Answer after reading 1. How are fossils used to match or correlate rock layers deposited in different paces at the same time? 2. Why do geologists not use the characteristics of the rocks themselves to identify different rock layers that were deposited at the same time? 3. In your own words, explain why you think that geologists still find the relative time scale to be a very valuable tool. 4. Why is it that a scientist must look in many places to determine the succession of fossil species through geological time?
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Telling Geologic Time
Answer after reading1. How are fossils used to match or
correlate rock layers deposited in different paces at the same time?
2. Why do geologists not use the characteristics of the rocks themselves to identify different rock layers that were deposited at the same time?
3. In your own words, explain why you think that geologists still find the relative time scale to be a very valuable tool.
4. Why is it that a scientist must look in many places to determine the succession of fossil species through geological time?
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