-
The
atmosphere
is
composed
of
____________________
,
oxygen
and
other
gases
like
co2
.
-
The
closest
layer
to
the
earth
is
the
Troposphere
.
-
____________________
phenomena
,
such
as
rain
or
snow
happen
in
the
Troposphere
.
-
The
____________________
is
above
the
Troposphere
.
-
The
____________________
layer
is
in
the
Stratosphere
.
-
The
coldest
layer
is
the
____________________
.
-
____________________
fall
in
the
Mesosphere
and
turn
into
shooting
stars
.
-
Aurora
____________________
are
created
in
the
Thermosphere
.
-
The
last
layer
of
the
atmosphere
is
the
____________________
.
