Ontario and Quebec are known as the heartland of Canada because.
they are the provinces with the most people and greatest wealth
they provide most of the grain that is grown in the country
mineral resources have made the provinces wealthy
fishing and forestry are important to the economy



Answer :

Final answer:

Ontario and Quebec are the economic powerhouses of Canada due to their large populations, wealth, and contributions to agriculture, mineral resources, and high-tech industries.


Explanation:

Ontario and Quebec are known as the heartland of Canada primarily because they are the provinces with the most people and greatest wealth, with Ontario being the most populous and industrialized province. Additionally, Ontario and Quebec play significant roles in agriculture, providing grain and dairy products, and have rich mineral resources contributing to their wealth. These provinces also engage in fishing, forestry, and high-tech industries, further enhancing their economic importance in Canada.


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