Q. Following relief zones are characteristics of ocean basins
1. Continental slope
2. Continental shelf
3. Deep sea plain
4. Oceanic trench
The correct sequence of their seaward appearance from the codes is

• (A) 2,1,4,3
• (B) 1,2,4,3
• (C) 2,1,3,4
• (D) 1,2,3,4