Consider the following statements
1. Continental shelves are wider where high mountains are very close and parallel to the coast.
2. Continental shelves are formed by prolonged deposition of detritus under sea water in those areas where sea conditions are calm.
3. Extensive continental shelves are formed by marine erosion of the continental margins during the time of negative change of the sea level.
4. Continental shelves are formed by the submergence of continental margins due to tilting of land towards sea.
Which of the above statements are correct?

Options

A. A)1,2 and 3
B. B)2,3 and 4
C. C)1,3 and 4
D. D)1,2 and 4

Answer

B