____________________
is
famous
for
its
majestic
forests
and
historic
architecture
;
however
,
these
landscapes
and
cities
are
under
threat
from
____________________
rain
.
Acid
____________________
results
when
noxious
gases
?
such
as
carbon
dioxide
,
sulfur
dioxide
,
and
nitrogen
oxide
?
____________________
in
the
____________________
.
When
these
clouds
burst
,
the
____________________
released
is
____________________
.
Acid
rain
____________________
freshwater
sources
,
____________________
fisheries
,
kills
forests
,
and
even
hurts
architecture
.