Day 266 of 365
September 23
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Geography Plate Tectonics and Mountain Formation
Mountains form when tectonic plates collide. The Himalayas are still growing as India pushes into Asia. The Appalachians were once Himalaya-height but have eroded over 300 million years. Fold mountains, volcanic mountains, and fault-block mountains form differently.
💡 Did you know?
Mount Everest grows about 4 millimeters every year as India continues pushing north!
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