They were both nomadic
Both peoples had some structure but not very much
When seen at night, it is described as a "milky spot in the sky".
This term was coined by Ancient Romans.
The correct option is C.
Plate tectonic theory explains the structure of the earth's crust and the many phenomena that are associated with it. This theory enables the scientists to know that there are movements in the interior of the earth which are responsible for volcanic eruptions and earthquakes.
Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.