ECOLOGY
ENVIRONMENTAL ISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Great Lakes
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Hudson Bay
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Arctic Ocean
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Canadian Shield
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Detailed explanation-1: -From west to east they are Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario. Lake Michigan lies entirely within the United States; the others form part of the border between the United States and Canada. The combined surface area of the lakes is 244, 100 sq km (94, 250 sq mi).
Detailed explanation-2: -The American-Canadian border runs more-or-less down the middle of lakes Huron, Erie and Ontario.
Detailed explanation-3: -The Rocky Mountains link the United States and Canada, stretching more than 3, 000 miles (4, 828 km) from New Mexico to Alaska.
Detailed explanation-4: -The physical characteristics of the great lakes include their huge size: collectively they cover 94, 000 square miles, contain more than 5, 400 cubic miles of water, and reach a maximum depth of more than 1, 300 feet (Lake Superior). Lake Superior is the second largest lake in the world.