Answer:
Central America has so many volcanos and mountains because of the interaction of multiple tectonic plates in this area.
Step-by-step explanation:
Central America is located in a position where multiple tectonic plates interact with each other. The two major plates are the North American and South American plates, while the other three are the Nazca, Cocos, and Caribbean plates. The Cocos and Caribbean plates form a convergent boundary, as well as the Nazca and South American plate, while the North American plate has a minor influence.
The afformentioned convergent boundaries have created subduction zones, where one plate moves below the other, lifting up the crust near it and forming mountain chains. This activity also causes a large-scale rise of magma toward the surface, creating a lot of volcanoes both on land and at sea, making this region one of the most volcanically active in the world. The constant tension between the plates and the volcanic activity also contributes to a regular occurrence of earthquakes.