An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
I think that it was at the year of 1619
Answer:
A sign a petition to state legislators
Explanation: the other ones don't make sense like help a neighbor hope it helps
Answer:
the heavy tectonic activity in the area
Explanation:
"The heavy tectonic activity in the area" had the greatest impact on South America's physical geography. This is true because the heavy activity of the tectonic in the area such as plate motions resulted in the formation of mountains and oceans in South America.
For example, the formation of the massive Andes Mountains and the formation of various volcanoes resulted from heavy activity of the tectonic in the area.
