Glaciers are rivers of ice because they move down the mountain valleys slowly, their ebbing and flowing caused by climatic conditions.
(Glaciers; are; rivers of ice; because they move down the mountain valleys slowly) (they; move; down the mountain valleys slowly) (their ebbing and flowing; caused; by climatic conditions)
Glaciers they their ebbing and flowing
are move caused
rivers of ice because they move down the mountain valleys slowly
down the mountain valleys slowly
by climatic conditions