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Evolution
Inside the restless earth
| Question | Answer |
|---|---|
| What is uniformitarianism? | Uniformitarianism is a principle that states that the same geologic process that has been shaping the Earth today has been at work throughout Earth's history. |
| What is the difference between uniformitarianism and catastrophism? | Uniformitarianism is when the Earth changes over time while catastrophism is when the Earth changes suddenly or in catastrophes. |
| What is a geologic column? | A geologic column is an ideal sequence of rock layers that contains all the known fossils and rock formations on Earth arranged from oldest to youngest. |
| Define superposition. | Superposition is a principle that states that younger rocks lie above older rocks. Younger over older. |
| List 6 types of disturbed rock layers. |