1. Describe some of the variables that determine the nature of soil on a particular site, and explain why podsols are the most common soils in many parts of southern Canada.
2. Explain why sedimentary rocks are particularly useful in determining past environments, including weathering, erosion, transportation and depositional conditions, topography, and climate.
3. 3. Discuss the role of plate tectonics in regional metamorphism, and explain why isostasy is important to this process.
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