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Canadian Citizenship Test · Question

Which is Canada's longest river?

The Mackenzie River is Canada's longest river, flowing over 4,200 kilometers from Great Slave Lake to the Arctic Ocean, as detailed in the official Discover Can

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Question: Which is Canada's longest river?

Answer options:

  • Yukon ✅ Mackenzie
  • St. Lawrence
  • Fraser

Correct answer: Mackenzie

Explanation: The Mackenzie River is Canada's longest river, flowing over 4,200 kilometers from Great Slave Lake to the Arctic Ocean, as detailed in the official Discover Canada study guide. While the Yukon, St. Lawrence, and Fraser rivers are major Canadian waterways of immense historical and economic significance, none of them match the sheer length of the Mackenzie. Candidates preparing for the citizenship exam must familiarize themselves with Canada's key geographical superlatives, such as its longest river, tallest mountain, and surrounding oceans, as basic physical geography questions are highly common on the test.

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