Our Earth

Our Earth

Pushing And Shoving
Season 1  |  Episode 4  |  ABC  |  March 9, 2010
Classification: Not Classified Classification: Not Classified
This video has closed captioning

Volcanoes and earthquakes are only part of a bigger picture. Tectonic forces also push continents around and cause mountains to be uplifted. The crust recycles itself. The lighter rocks of the continents float on the heavier rocks of the mantle.

Volcanoes and earthquakes are only part of a bigger picture. Tectonic forces also push continents around and cause mountains to be uplifted. The crust recycles itself. The lighter rocks of the continents float on the heavier rocks of the mantle.

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