Match List-I with List—II and select the correct answer from the codes given below-

List—I

A.    Coral Reef

B.    Shoal

C.    Abyssal Plain

D.    Continental Slope

List—II

1.    Organic ocean deposit

2.    Deep, relatively flat surface of the ocean floor

3.    Steep descent from the shelf break

4.    Detatched elevation with shallow depths

Codes :