1
.
Deforestation
happens
in
an
area
____________________
all
the
trees
have
been
cut
down
.
2
.
Rain
____________________
is
polluted
with
chemicals
from
factories
is
called
acid
rain
.
3
.
A
farmer
____________________
farm
is
organic
does
not
use
harmful
chemicals
to
grow
food
.
4
.
The
greenhouse
effect
is
something
____________________
happens
when
the
sun's
heat
is
trapped
close
to
the
Earth
by
pollution
.
.
5
.
Greenfield
sites
are
places
____________________
nothing
has
ever
been
built
.
6
.
Deforestation
is
a
problem
____________________
affects
the
whole
world
.
7
.
The
green
belt
is
an
area
of
land
around
a
city
building
____________________
is
not
allowed
.
8
.
Always
buy
milk
____________________
has
been
organically
produced
.
9
.
The
man
____________________
factory
was
polluting
the
river
was
fined
over
£100
,
000
.
