Warm-Up: GeologyVersión en línea Test your knowledge by correctly ordering the layers of the Earth from the outermost to the innermost layer. por Noel Sayco 1 Order the layers of the Earth from the surface down to the core. Crust Mantle Inner Core Outer Core 2 Order the soil horizons from the topmost layer to the bottommost layer. A Horizon (Topsoil) C Horizon (Parent material) E Horizon (Eluviation layer) R Horizon (Bedrock) O Horizon (Organic layer) B Horizon (Subsoil) 3 Order the elements based on the natural sequence of processes in the rock cycle. (Start with MAGMA) Weathering and erosion Igneous rock formation Sediments formation Metamorphic rock formation Heating and Pressure Sedimentary rock formation Melting Magma