Vegetation often disappears when a glacier is moving across land, and reappears in different forms when the glacier has left.
(Vegetation; disappears; T:when a glacier is moving across land, and reappears in different forms; T:often) (a glacier; is moving; across land) (the glacier; has left; )
Vegetation a glacier the glacier
disappears is moving has left
T:when a glacier is moving across land, and reappears in different forms T:often
across land