Answer:
Appalachian Mountain Range
Explanation:
The Appalachian Mountain Range runs through most of the Eastern United States, and had previously served as the border for the 13 colonies back in the colonial age.
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The speeds range from 30 miles per hour to 70 miles per hour
Answer:
In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. A crystal structure is composed of a unit cell, a set of atoms arranged in a particular way; which is periodically repeated in three dimensions on a lattice.
Explanation: