<span>The Indus River valley. On it's banks there were settlements dating as far back as the 4th century BC, making them comparable in age to the ancient city states of Mesopotamia in modern day Iraq.</span>
The great circulations in the ocean basins occur around the "subtropical high" pressure systems and are known as "gyres".
<h3>What is gyres?</h3>
Ocean gyres are massive systems of circular ocean currents that are formed by the Earth's rotation and the patterns of the world's winds.
- An ocean circulation system that rotates counterclockwise in the Southern Hemisphere and clockwise in the Northern Hemisphere is known as a subtropical gyre.
- The ocean's surface is swept by the wind, which causes the water to flow in its direction.
- Ocean currents that connect as they follow the coastlines of the Earth's continents make up the movement of gyres.
To know more about the occurrence of season due to rotation of Earth, here
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<h2>Answer:</h2>
The removal of material by erosion will cause Earth s crust to <u>RISE</u>
<h2>Explanation:</h2>
Erosion is a natural process which usually takes place when rocks and soil get loosened from the earth's surface at one location and moved to another. Erosion changes the landscape by wearing down mountains, filling in valleys, and making rivers appear and disappear. The most powerful erosive force on the earth is water. Streams from tiny creeks to huge rivers carry tons of eroded soil and rocks every year and then these rocks and soil fill another place resulting in rising of earth crust.