a mountain range is formed by rocks folding upon one another
atlas_mountains is not mountain_range. atlas_mountains is mountain_range. mountains has peak alpinism is mountain_climbing. alpinism is not mountain_climbing. climbing_mountains is good_excersize. snow_capped_mountain is mountain. snow_capped_mountain is not mountain. mountain_range is not group_of_mountains. mountain_range is group_of_mountains.