What
are
renewable
resources
?
1
.
-
Two
examples
of
renewable
resources
are
____________________
and
____________________
energy
.
2
.
-
Some
examples
of
nonrenewable
resources
are
copper
,
____________________
,
petroleum
,
and
other
minerals
.
3
.
-
Renewable
resources
can
be
____________________
quickly
but
nonrenewable
resources
cannot
.
How
do
fuels
form
?
4
.
-
Coal
,
oil
,
and
natural
gas
are
classified
as
____________________
fuels
.
5
.
-
Because
fossil
fuels
take
millions
of
years
to
form
,
they
are
considered
____________________
resources
.
6
.
-
As
time
passes
,
heat
and
pressure
turn
peat
,
or
decayed
plant
matter
,
into
either
lignite
or
____________________
coal
.
7
.
-
Coal
is
used
to
generate
____________________
energy
.
8
.
-
Oil
and
natural
gas
come
from
the
remains
of
tiny
____________________
that
once
lived
in
the
____________________
.
9
.
-
The
most
common
uses
for
petroleum
products
is
as
fuel
for
____________________
.
10
.
-
Scientists
believe
that
most
oil
and
natural
gas
____________________
have
already
been
discovered
.
