GENERAL KNOWLEDGE

Detailed explanation-1: -Canadian Shield is a giant core of rock anchoring North America and centered on Hudson and James Bays.

Detailed explanation-2: -A Canadian Shield lake is a type of lake found in the Canadian Shield region, which is a large area of exposed Precambrian rock spanning most of North America. The lakes in this region are typically very deep, clear and often surrounded by rocky areas.

Detailed explanation-3: -It covers the majority of Eastern Canada and reaches into the Northwestern regions. It resembles a horseshoe and a shield that would have been used by ancient civilizations. The Canadian shield covers the provinces of Saskatchewan, Alberta, and most of Quebec, Manitoba, and the territories in the Northwest.