Edexcel A Level Geography Dynamic Landscapes Unit Exam Questions And Answers Graded A+ 2024.

What is the hydrological cycle? - Answer Closed system driven by solar energy and gravitational potential. The 4 main erosion processes? - Answer Hydrolic action, Air trapped in rocks forces cracks open. Abrasion, rocks wearing down cliff. Attrition, rocks wearing down other rocks. Corrosion, weathering. Types of Beach landform? - Answer Storm beach, high energy deposition. Berms, summer swell deposition. Offshore ridges/bars, formed by destructive wave erosion and deposition. Where do earthquakes occur? - Answer 70% occur in the pacific ring of fire, the most powerful occur at conservative and convergent plate boundaries. They can also occur along fault lines, oceanic fracture zone, and continental fracture zone. Where do volcanoes occur? - Answer Occur at constructive and destructive plate boundaries, the violence depends on the amount of gas and how easily it can escape. Rift volcanoes and Hotspot volcanoes - Answer Less explosive found at destructive plate boundaries. Intra-plate, caused by mantle plumes. Why do Tsunamis occur? - Answer Caused by a large displacement of water due to an earthquake, landslide or volcanic eruption.