Edexcel IGCSE Geography 复习笔记 2.2.3 Threats to Coastal Ecosystems Industrialisation The Value of Coastal Ecosystems All ecosystems offer people a range of opportunities – goods and services Good...
Edexcel IGCSE Geography 复习笔记 2.2.2 Characteristics of Coastal Ecosystem Characteristics of Coral Reef Ecosystems An ecosystem is a community of interacting biotic and abiotic organisms All ecos...
Edexcel IGCSE Geography 复习笔记 2.2.1 Coastal Ecosystems of the World Distribution & Features of Coral Reefs Distribution of Coral Reefs Coral reefs are large deposits of calcium carbonate bui...
Edexcel IGCSE Geography 复习笔记 2.1.3 Coastal Environmental Change Influence of Geology Geology shapes the coastline over time, place and space A coastline made up of softer rocks such as sands an...
Edexcel IGCSE Geography 复习笔记 2.1.2 Coastal Landforms Erosional Landforms Headland and Bay Found in areas of alternating bands of resistant (hard) and less resistant (soft) rocks running perpend...
Edexcel IGCSE Geography 复习笔记 2.1.1 Coastal Processes Wave Action & Erosion Coasts are the meeting point of the land and sea and are an open system, with inputs (sediment), transfers (longsh...
Edexcel IGCSE Geography 复习笔记 1.3.3 Flooding - Causes & Control Causes of Flooding Flooding occurs when the capacity of the river channel is exceeded The water flows over the banks and onto ...
Edexcel IGCSE Geography 复习笔记 1.3.2 Water Quality & Supply Variations in Water Quality Clean, potable water is essential for human consumption, irrigation and for livestock Approximately one...
Edexcel IGCSE Geography 复习笔记 1.3.1 Water Uses, Demand & Supply Water Uses Only 2.5% of the water on Earth is freshwater 68.7% of freshwater is stored in glaciers and ice sheets and 30% is g...
