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What is the Law of Superposition?
It states that older rocks are on the bottom of a sequence and that rock layers are younger as you move upward.
What type of fossil is a dinosaur footprint?
What is an unconformity?
A buried surface of erosion creating a gap in the rock layers.
What type of dating gives you an actual age (with a number)?
What happened at the end of the Paleozoic?
Mass extinction of life
In what era did humans appear?
What era includes the rise and fall of the dinosaurs?
What era is known as the "Age of Ancient Life?"
What would you like to do?
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