Most
of
the
water
that
covers
the
Earth's
surface
is
____________________
water
in
seas
and
____________________
.
Fresh
water
comes
from
____________________
,
snow
and
ice
.
On
land
,
fresh
water
forms
streams
and
____________________
that
flow
down
from
high
land
into
____________________
,
seas
and
oceans
.
At
the
Poles
and
on
____________________
peaks
,
frozen
fresh
water
is
found
in
the
form
of
____________________
or
ice
.
There
is
a
lot
of
____________________
under
the
Earth's
surface
.
