Alpine or valley glaciers are formed when snow accumulates in the upper portion of a mountain valley, turns into ice and moves slowly down the valley broadening the V-shaped valleys made by streams into U-shaped valleys.
(Alpine or valley glaciers; are formed; T:when snow accumulates in the upper portion of a mountain valley, turns into ice and moves slowly down the valley) (snow; accumulates; L:in the upper portion of a mountain valley) (the valley; broadening; the V-shaped valleys made by streams into U-shaped valleys) (the V-shaped valleys; made; by streams into U-shaped valleys)
Alpine or valley glaciers snow the valley the V-shaped valleys
are formed accumulates broadening made
T:when snow accumulates in the upper portion of a mountain valley, turns into ice and moves slowly down the valley
L:in the upper portion of a mountain valley
the V-shaped valleys made by streams into U-shaped valleys
by streams into U-shaped valleys