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One effect is the movement and interaction of continents. The common estimate is that continents move at roughly the rate that fingernails grow. We are not talking Triple Crown material here. Most of the time, there is no effect. There are very tiny movements of tectonic plates against one another all the time. Sometimes pressures build up between plates, and when the pressure releases, earthquakes and the occasional tsunami can be triggered. Additionally: Crustal movements can create and destroy oceans, form mountain ranges and volcanoes, island chains, fault scarps and rift valleys, and contribute to global glaciation by moving continental masses over polar regions. Crustal movements are responsible for the highest point on Earth and also the lowest point below sea level.

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17y ago

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