Plate Tectonics is a theory developed in the late 1960s, to explain how the outer layers of the Earth move and deform. The theory has caused a revolution in the way we think about the Earth. Since the development of the theory, geologists have had to reexamine almost every aspect of Geology. Plate tectonics has proven to be so useful that it can predict geologic events and explain almost all aspects of what we see on the Earth.
Steubenville is a city in and the county seat of Jefferson County, Ohio, United States. Located along the Ohio River, it had a population of 18,659 at the 2010 census.
The Casement House, a historic site in the township. Painesville Township, located in Greater Cleveland, is one of the five townships in Lake County, Ohio, United States. It is included in the Northeast Ohio Region, the 15th largest Combined Statistical Area in the United States. The population was 20,399 people in the 2010 census, 1 Name and history.