Examples: The Sierra Nevada (USA) and the Harz Mountains (Germany).
Examples: The Himalayas (Asia), Alps (Europe), and Andes (South America). range of mountains
The most common type, formed when two tectonic plates collide, causing the Earth's crust to crumple and fold. Examples: The Sierra Nevada (USA) and the Harz
Created when molten rock (magma) from the Earth’s interior erupts and piles up on the surface. formed when two tectonic plates collide