1
.
____________________
growth
:
the
increase
in
the
amount
of
people
who
live
in
a
certain
place
.
2
.
____________________
:
too
many
people
for
the
natural
resources
of
a
place
.
3
.
____________________
:
using
a
resource
.
4
.
____________________
:
things
people
throw
out
when
they
are
no
longer
needed
.
5
.
____________________
:
substances
used
for
treating
and
preventing
diseases
.
6
.
____________________
:
methods
used
to
give
people
clean
water
.
7
.
____________________
rate
:
the
number
of
babies
born
per
1
,
000
people
.
8
.
____________________
car
:
a
car
that
uses
electricity
instead
of
gasoline
to
run
.
9
.
____________________
rate
:
the
number
of
people
who
die
per
1
,
000
people
.
10
.
____________________
:
the
process
of
learning
.
