Only
3%
of
the
water
on
Earth
is
____________________
water
.
However
,
most
of
this
water
is
retained
in
____________________
in
the
form
of
____________________
.
Only
a
very
small
portion
,
0
.
014%
,
can
be
used
for
____________________
.
Moreover
,
the
____________________
of
the
population
and
____________________
in
stardards
of
living
have
led
to
a
great
____________________
in
water
consumption
.
Some
areas
of
the
world
have
____________________
water
,
while
others
have
very
____________________
.
The
consequences
of
this
can
be
____________________
:
-
A
shortage
of
water
can
produce
____________________
.
-
An
excess
of
water
can
produce
____________________
.
