dewey decimal redirects here it is not to be confused with duodecimal the dewey decimal classification ddc or dewey decimal system is a proprietary library classification system first published in the united states by melvil dewey in 1876
physical geography The scientific study of the natural features of the Earth's surface, especially in its current aspects, including land formation, climate, currents, and distribution of flora and fauna. Also called physiography.
1 A Journey to the Core of the Earth Geology is the study of the Earth and its forces. 2  It is is the science of examining everything from the Earth's surface to the Earth's core.