|1. They can extend up to a depth of 100 fathoms.|
|2. They extend between coast and continental slope.|
|3. They cover more than 10 per cent of the sea surface area.|
|4. Maximum width of the continental shelf is found in the Atlantic Ocean.|
A) 1 and 2 only
B) 2 and 3 only
C) 1,2 and 3 only
D) 1, 2, 3 and 4
Correct Answer: A
Solution :Continental shelves cover 7.8 per cent of the sea surface area. Maximum width of the continental shelf is found in the Arctic Ocean where its width varies from 500 to 1300 km.
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