geology
is the study of the origin, history, and structure of the Earth and the processes that shape the Earth.
Information from : Holt Science and Technology Earth Science text book pg. 6
Picture from: http://www.byronjorjorian.com/gallery/Waterfalls/51105_008.jpg
Information from : Holt Science and Technology Earth Science text book pg. 6
Picture from: http://www.byronjorjorian.com/gallery/Waterfalls/51105_008.jpg