Final answer:
Quebec and Ontario are known as the core provinces due to their concentration of population, economic activity, political power, and cultural influence, constituting over 60% of Canada's populace and hosting major cities like Toronto and Montreal.
Step-by-step explanation:
Quebec and Ontario are best known as the core provinces of Canada because they constitute the economic, political, and cultural heartland of the country. Together, they house approximately 62 percent of Canada's population, with Ontario having the largest population at about 39 percent and Quebec housing about 23 percent. These provinces are hubs of industry and cultural activity, where power and wealth are concentrated. Ontario is home to Canada's largest city, Toronto, as well as the national capital, Ottawa, while Quebec is home to the vibrant, French-speaking city of Montreal.The St. Lawrence Valley, which runs through Quebec to the Atlantic coast, is particularly significant as a core region for French Canada, showcasing a robust French-Canadian culture rooted in the region's early French settlers. The economy in these provinces is diverse, encompassing banking, finance, manufacturing, technology, education, and cultural institutions. Ontario and Quebec are also noted for their fertile farmland along the St. Lawrence River and surrounding the Great Lakes, contributing to Canada's agricultural output.