SSC
PHYSICAL GEOGRAPHY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Lake Murray
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Hudson Bay
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Great lakes
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The Rocky and Appalachian Mountains
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Detailed explanation-1: -It is the largest natural barrier between two countries in North America. The St. Lawrence River stems from the Great Lakes and also provides a natural border between a portion of the United States and Canada.
Detailed explanation-2: -One of the greatest threats to the quality and health of Great Lakes and its tributaries is excess chemicals, fertilizers, and sediment from irresponsible agricultural practices.
Detailed explanation-3: -Shared with Canada and spanning more than 750 miles (1, 200 kilometers) from west to east, these vast inland freshwater seas provide water for consumption, transportation, power, recreation and a host of other uses. The Great Lakes are one of the world’s largest surface freshwater ecosystems.