Pollution
is
anything
that
is
present
or
introduced
into
an
environment
,
which
causes
harm
.
In
the
sea
,
there
____________________
____________________
(
be
)
many
kinds
of
animal
and
plants
species
,
now
there
is
only
pollution
species
such
as
rubbish
,
oil
,
chemicals
and
even
sewage
from
our
toilets
!
The
humans
____________________
____________________
(
become
)
in
the
principal
depredator
of
the
planet
and
the
sea
,
many
corals
____________________
(
die
)
at
the
beginning
of
the
XIX
century
.
In
the
XIX
century
the
human
____________________
____________________
already
,
(
dump
)
rubbish
and
plastic
to
the
sea
.
In
the
last
ten
years
our
waters
____________________
____________________
(
born
)
the
brunt
of
serious
pollution
accidents
,
but
these
____________________
(
become
)
less
common
as
technologies
develop
and
the
affects
become
better
understood
.
In
many
ways
our
actions
____________________
____________________
(
destroy
)
the
sea
,
many
species
of
fish
or
corals
____________________
____________________
____________________
(
be
/
affect
)
.
We
can
do
many
things
for
example
;
buying
local
products
reduces
the
demand
for
food
from
overseas
,
reducing
the
amount
of
ships
needed
to
carry
this
food
,
which
it
has
____________________
(
convert
)
in
many
of
the
reasons
of
the
sea
pollution
.
We
____________________
____________________
(
educate
)
the
actual
generations
,
but
some
people
are
forgetting
the
following
.
