1) heat from radioactive decay in the core of the Earth heard the mantle.
2) Plates move averagely only a few cm a year, this has been happening ever since the planet formed and cooled to give a thick crust so this movement has added up over many years to move plates far from where they started.
3) because the mantle is heated and is able to flow slowly, convection currents are set up which cause the plates on the crust to move.
There was a larger number of early civilizations in the Eastern Hemisphere than in the Western Hemisphere as due to the availability of better resources along with high technology.
<h3>What was the First civilization?</h3>
The early civilization is referred as the first civilization where there is more emphasis on agricultural land and crop production to maintain their settlement for managing their livelihood.
In the Eastern hemisphere, the environment is a little flexible which provides better resources that help in the survival of mankind by providing sufficint food facilities along with advanced technology which helps in hunting and gazing.
The indigenous population respected nature. Mountain ranges, rivers, forests, the sun, moon, stars, and other natural phenomena all had supernatural power.
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this question seems to be missing some key information.
The Mississippi River has many small tributaries, but its primary tributaries are the Ohio River and the Missouri River. The Amazon River also has a large number of tributaries, including the Rio Negro, which is one of the largest rivers in the world in terms of volume. The Nile’s primary tributary is the Atbara River.
