| Which of the following factors support the hypothesis of the permanency of ocean basins and continents? |
| 1. Absence of normal sedimentary rocks on the oceanic islands. |
| 2. The cross-section of the ocean basin, comprising the broad abyssal through |
| 3. Occurrence of shallow-water sands and muds limited to the continental shelf and slope, while that of pelagic oozes being limited to the abyssal plain. Select the correct answer using the codes given below: |
A) 1 and 2
B) 2 and 3
C) 1 and 3
D) 1, 2 and 3
Correct Answer: D
Solution :
[d] Permanency of ocean basins and continents is the geological principle that the oceans have always existed, in the geological time scale oceans and continental plates have slowly moved and changed shape somewhat since the formation of the Earth but have more or less always existed.
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