Sagot :
Answer:
1. The origin of mountains (orogenesis) occurs after tectonic movements make rock layers fold and overlap.
2. Volcanic arcs formed Beneath the ocean, tectonic plates converge and grind one another,and also drives one below the other.
3. The island arc at the earstern part of the Philiphines is formed as a result of subduction after the collision of the three plate/s.
Explanation:
I have this in my book!