Question

how mountains were formed

Answer 1

Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.

Answer 2

MOUNTAINS ARE FORMED SIMPLY. WHEN PLATES STRIKE LAND MOVE UPWARDS FORMING MOUNTAINS. YOU CAN PERFORM THE FOLLOWING ACTIVITY FOR BETTER UNDERSTANDING .

WHEN YOU PLACE HAND IN DIFFRENT POSITION IN SAND AND IF YOU BRING THEM NEARLY YOU WILL SEE THAT THE SAND HAVE RISEN .