Mountains

MOUNTAINS ARE FORMED BY MOVEMENTS OF THE HUGE TECTONIC PLATES THAT MAKE UP EARTHS CRUST.FOLD MOUNTAINS ARE FORMED WHEN PLATES COLLIDE.BLOCK MOUNTAINS OCCUR WHEN A SLAB OF LAND IS FORCED UPWARD.VOLCANIC MOUNTAINS ARE BUILT UP FROM LAYERS OF COOLED AND HARDENED LAVA AND ASH.

WHY MOUNT EVEREST IS SO TALL

EVEREST FORMED WHEN THE INDIAN SUBCONTINENT COLLIDED WITH EURASIA ABOUT 55 MILLION YEARS AGO. INDIA IS ON A SEPARETE TECTONIC PLATE THAT HAD BEEN MOVING NORTHWARD.WHEN THE PLATES COLLIDED,THE OCEAN FLOOR NORTH OF INDIA WAS THRUST UNDERNEATH THE LARGER ASIAN PLATE.