A glacier is simply a large body of ice, formed from the snow left over at the end of summer, which is moving slowly downhill.
(A glacier; is simply; a large body of ice, formed from the snow) (a large body of ice; formed; from the snow) (the snow; left; T:over; T:at the end of summer) (summer; is moving slowly; downhill)
A glacier a large body of ice the snow summer
is simply formed left is moving slowly
a large body of ice, formed from the snow
from the snow
T:over T:at the end of summer
downhill