There are three mountains: the Sierra Madre Occidental, the Sierra Madre Oriental, and Sierra Madre del Sur.
plate boundary can produce volcanoes
If I would have the chance to encourage people I would like them to use renewable energies that are good for the environment and enlighten them to use automobiles that respond to this.
Second, I would invite them to get more ideas and do output on recycling used materials that can be found in their garbage.
Ocean floor subducts under continents because the ocean floor is softer and the crust in here is with lesser density and thickness, while the continents are harder because their crust is thicker and has bigger density. So when they collide, the softer ocean floor is pushed downwards by the harder continental crust.
