)a mountain is a landmass that stands much higher than the surrounding area. in britain, for example, a mountain (1) (define) as a hill that reaches at least 600 meters above sea level. most mountains (2) (create) when tectonic plates collide, causing the land to rise. the uplifted land (3) (erode) into peaks and valleys. the appearance of most mountains is due to the effects of erosion by wind, water or ice. for example, since the himalayan mountains (4) (form) millions of years ago, the peaks (5) (shape) by the powerful erosion of glaciers. even near the equator, high mountains (6) (cover) with snow all year round. the peaks of mount kenya kilimanjaro and mount (sculpt) by ice since they were born.