Physical geography helps us understand the regional nature of the world - provides us with a critical foundation for understanding canada"s regional geography and national character. Major landforms are the basis of seven physiographic regions in canada, illustrating. Regional geographers are interested in the interactive two-way relationship between people and the physical world, and how this relationship and resultant human landscape vary. Physical geographers are concerned with all aspects of the physical world, such as, How physical geography varies and influences human settlement. The effect of human activities on the natural environment physiography, climate, and vegetation. The physical environment has six components - geomorphology, geology, climate, soils, vegetation, and hydrology. Climate, soils, and natural vegetation provide the basis for biodiversity across. Human activity is changing the natural environment into an urban industrial. Landforms are actively shaped and reshaped by various processes: o. Valleys (e. g. pemberton valley, bc) denudation || weathering || erosion || deposition.