lunes, 18 de octubre de 2010

VOCABULARY Nº16

Mass wasting: the downhill movement of Earth material caused by gravity.








Deposition: the dropping off of sediment.








Glacier: a huge sheet of ice and snow that moves slowly over the land.


Biafo Glacier 2


Perito Moreno Glacier 2


Till: a jumble of many size of sediment deposited by a glacier.








Moraine: a deposit of many size of sediment in front of or along the sides of a glacier.





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