What major system of faults runs throughout the whole Philippine Archipelago?

Answer and explanation

Correct answer: B. the Philippine Fault Zone (PFZ)

  1. Step 1: The Philippine fault system is a major inter-related system of geological faults throughout the whole of the Philippine Archipelago, primarily caused by tectonic forces compressing the Philippines into what geophysicists call the Philippine Mobile Belt. Answer: the Philippine Fault Zone (PFZ). Why not the others: None of these fit: The Marikina Valley Fault System; The Cotabato Trench fault line; The Casiguran Fault line fracture.

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