They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.
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What is the 1000 year period after the fall of Rome called?
The 1000 year period after the fall of Rome is called Middle Ages. This is a period where the Odovacor, German prince had sway the power of the Roman army of Italy.
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The answer is a. I'm guessing cause I can't see the question all the way
