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Waterfalls commonly form where water rushes down steep hillsides and quickly erodes the rocks. The height and number of waterfalls along a stream or river depends upon the type of rocks that are being eroded by the water. Some types of rocks (shale, for example) wear away more easily than others (such as sandstone or limestone).

As the river or stream wears away the weak rocks, they travel across the surface of stronger rocks. These more resistant rocks become the capstones to waterfalls. The number and thickness of these stronger rock units in a vertical sequence of rocks controls how many water falls there are and how much vertical drop there is on each waterfall.

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Volcanoes form when hot material inside the Earth rises and spills over the crust. This hot material, called magma, can come from two sources; of melted crust subducting material, which is lightweight and efervescentedespués being melted or come from much more inside a planet, a material that is very light and effervescent because it is very * hot * .

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It sits about 16 kilometres  to the west of the colonial city of Antigua Guatemala.