Final answer:
The two key features of Canada's population geography are the population concentration along the US border and the westward shift in the population center. This change reflects broader trends of urbanization and population growth in the western provinces.
Step-by-step explanation:
According to Bone, the two key features of Canada's population geography are the concentration of population along the border with the United States and c. the shift in the centre of population gravity to the west. This shift is attributed to various factors, including economic opportunities, migration patterns, and the appeal of urban environments. Most Canadians live within a relatively short distance from the US border, and this area is densely populated in provinces like Ontario, commonly referred to as South Canada. Whereas the northern regions of Canada are sparsely populated, there is significant population growth in the western provinces, such as British Columbia. The movement of population towards urban centers also reflects an increasing trend of urbanization, not just in Canada but in North America overall, with a large proportion of the population in both countries residing in cities or suburban areas.