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Question

Which of the following is NOT a major type of plate boundary according to the theory of Plate Tectonics?

  1. Convergent Boundary
  2. Divergent Boundary
  3. Transform Boundary
  4. Isostatic Boundary

Answer:

Option D: Isostatic Boundary

Detailed Solution:

The correct answer is “Isostatic Boundary”.

Plate tectonics describes three main types of plate boundaries: convergent, divergent, and transform. Isostatic equilibrium relates to the balance of the Earth's crust and mantle, not plate boundaries.