Multiple choice Which of the following plate interactions is most likely to form a mountain range? A transform boundary between oceanic plates A convergent boundary between continental plates A transform boundary between continental plates A subduction zone between continental and oceanic plates Reveal answer Fill a bubble to check yourself B Correct answer Explanation When two continental plates collide at a convergent boundary, neither is dense enough to subduct easily. Instead, the crust buckles, folds, and is pushed upward to form massive mountain ranges, such as the Himalayas.