Geography

Introduction Geomorphic Agents and Processes Fluvial Landforms (Landforms by Running Water – Rivers) Erosional Landforms by Rivers Depositional Landforms by

Continental Drift Theory Convectional Current Theory Seafloor Spreading Theory Plate Tectonics Theory Evolution of Continents and Oceans Distribution of Earthquakes

Table 1: Abundant Elements in the Earth’s Crust Element Percentage by Weight Remarks Oxygen (O) 46.6% Most abundant element in