The
greenhouse
effect
is
the
____________________
effect
by
which
the
Earth
maintains
a
good
temperature
for
____________________
.
The
Sun
emits
____________________
and
____________________
pass
through
the
____________________
and
____________________
the
Earth
.
Then
,
____________________
of
this
heat
____________________
to
the
space
and
some
____________________
____________________
by
the
greenhouse
____________________
(
water
vapour
and
____________________
)
.
Thanks
to
this
natural
greenhouse
effect
the
____________________
temperature
on
the
Earth
is
____________________
.
If
the
amount
of
greenhouse
gases
increase
,
the
temperature
on
the
Earth
____________________
and
this
is
called
____________________
____________________
.
This
causes
____________________
____________________
,
for
example
,
the
____________________
of
the
poles
and
the
water
cycle
____________________
.
