Julian Davis——Works at the International Monetary Fund, Lives in Washington, D.C., USA.
These rocks change over hundreds of years in the six steps of the rock cycle: Weathering & Erosion. Igneous, sedimentary, and metamorphic rocks on the surface of the earth are constantly being broken down by wind and water.read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.