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JAKE's Midterm Fun

study guide for science midterms

QuestionAnswer
What is molten rock that squeezes into existing rock? An intrusion.
How are rocks arranged in the geologic column? Oldest rocks are on the bottom.
What do scientist thik that caused the extinction of the Dinosaurs? Climate change
What era ended with the most largest mass extinction in earth's history? The Paleozoic era.
How does a geologist know rock layers are undisturbed? They are horizantal.
What is the most common type of unconformity? A disconformity.
Why is the fossil record incomplete? Most organismsnever became fossils.
Created by: manchild3
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