geography MCQ #7478

Which tectonic process forms mid-ocean ridges?

geography MCQ #7478

  1. Question 1

    Q1. Which tectonic process forms mid-ocean ridges?

    • A) Subduction
    • B) Transform faulting
    • C) Seafloor spreading
    • D) Continental collision

    Answer: Seafloor spreading

    Explanation: Seafloor spreading occurs at divergent plate boundaries where tectonic plates move apart, allowing magma to rise and form new oceanic crust, creating mid-ocean ridges. The Mid-Atlantic Ridge is a prime example, spreading at 2–5 cm per year.