Because they reflect historians points of view most important events. Hope this helped <3
Geologic processes that shape the Earth are cyclical. Geologic processes are only similar in if they occur in the same area.
Answer: Tenements
Explanation: I searched the definition of each one up.
Answer:
The Mississippians were a native American culture that inhabited the Mississipi River Valley and surrounding areas from 9th till 16th century. Their culture was unique in that they created Mounds, that is man-made hills, many of them are still existing today.