Consider the following statements regarding submarine canyons: 1. They are largely found in front of large rivers. 2. They are rarely found in islands studded seas or along desert coasts. 3. They are absent along straight coasts. 4. They are commonly found off the coast of North America from Canada to Cape Hatteras. Which of the above mentioned statements are correct?

Consider the following statements regarding submarine canyons: 1. They

1.	Consider the following statements regarding submarine canyons: 1. They are largely found in front of large rivers. 2. They are rarely found in islands studded seas or along desert coasts. 3. They are absent along straight coasts. 4. They are commonly found off the coast of North America from Canada to Cape Hatteras. Which of the above mentioned statements are correct?
A.	?1 and 2 only
B.	?1, 2 and 3 only
C.	?2, 3 and 4 only
D.	?1, 2, and 4 only
Answer» E.