Which of the following factors support the hypothesis of the permanency of ocean basin and continents ?
1. The cross-section of the ocean basin, comprising the broad abyssal through flanked by rim like continental shelves.
2. Occurrence of shallow-water sands and muds limited to the continental shelf and slope, while that of pellagic oozed being limited to the abyssal plain.
3. Absence of normal sedimentary rocks on the oceanic islands.
Select the correct answer using Codes given below
Code