Key term for Edexcel GCSE Geography A, used in Ecosystems, Biodiversity and Management.
The top layer of tundra soil that thaws briefly during the summer, becoming waterlogged.
Active layer appears in Edexcel GCSE Geography A revision content for The Physical Environment, especially Ecosystems, Biodiversity and Management and Global Ecosystem Distribution.
The Physical Environment
Ecosystems, Biodiversity and Management • Global Ecosystem Distribution
The Physical Environment
Changing Landscapes of the UK • Case Study: Glaciated Landscape
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