Describe the geomorphic processes that shape the Earth’s surface. Use the Yosemite Valley to explain one or more of those processes.

http://www.nps.gov/history/history/online_books/geology/publications/state/ca/cdmg-bul-182/sec4.htm

http://en.wikipedia.org/wiki/Geology_of_the_Yosemite_area

http://ask.reference.com/related/Geomorphic+Processes+Yosemite+Valley?o=102305&qsrc=121&l=dir