____________________
:
the
part
of
the
earth's
crust
,
waters
,
and
atmosphere
that
supports
____________________
.
The
ecosystem
comprising
the
entire
earth
and
the
living
organisms
that
inhabit
it
.
____________________
:
the
____________________
envelope
surrounding
the
earth
.
____________________
:
the
____________________
on
or
surrounding
the
surface
of
the
globe
,
including
the
water
of
the
____________________
and
the
water
in
the
atmosphere
.
____________________
:
is
those
portions
of
Earth's
surface
where
water
is
in
solid
form
,
including
sea
ice
,
lake
ice
,
river
ice
,
____________________
cover
,
high
mountain
____________________
,
ice
____________________
,
ice
sheets
,
and
____________________
ground
(
which
includes
permafrost
)
.
