How are plates able to move
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How are plates able to move

[From: ] [author: ] [Date: 12-04-17] [Hit: ]
Convection currents in the hot, solid rock of the Earths mantle help to drive the movement of the rigid plates making up the Earths surface.......
convection currents:

Current caused by the expansion of a liquid, solid, or gas as its temperature rises. The expanded material, being less dense, rises, while colder, denser material sinks. Material of neutral buoyancy moves laterally. Convection currents arise in the atmosphere above warm land masses or seas, giving rise to sea breezes and land breezes, respectively. In some heating systems, convection currents are used to carry hot water upwards in pipes. Convection currents in the hot, solid rock of the Earth's mantle help to drive the movement of the rigid plates making up the Earth's surface.
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