The heartland of canada, where the majority of canadians live and work, is located
a-around the great lakes and st. lawrence river.
b-around hudson bay
c-along canada's atlantic coast.
d-near the arctic circle.
the first time i put b and i got it wrong

The correct answer is A. The majority of Canadians live and work, also known as the heartland, is great lakes region and St. Lawrence River Valley.

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.