300
What are the five benefits and disadvantages of glaciation?
Benefits
-Melting glaciers result in many rivers and lakes, providing a water source for hydroelectric power.
-Moving glaciers stripped the soil of Canadian Sield, exposing the underlying bedrock and valuable minerals.
-Glaciers deposited valuable and fertile soils into the Prairies.
-Glaciers are tourist attraction.
-Provides freshwater for humans and surrounding flora and fauna.
Disadvantage
-Although exposure of bedrock may be useful, this involves the removal of fertile soil that originally covering the rock.
-Living in a glaciated region may result in floods during warmer seasons.
-Glaciers often lay down poor quality soil if they don't strip it away.
-Poor soil left behind is only good for growing vegetation of little value.
-Glaical boulder clay is subject to erosion at coastlines, resulting in loss of settlements alone the shorelines.