Water
:
____________________
relief
is
created
by
rivers
.
These
rivers
begin
in
the
mountains
in
the
form
of
____________________
.
Wind
:
Wind
erodes
rocks
and
transports
sand
and
____________________
which
accumulate
to
form
____________________
.
Temperature
:
When
temperatures
are
extremely
____________________
,
they
cause
____________________
to
crack
.
Action
of
human
beings
:
Human
beings
have
changed
lots
of
large
areas
of
____________________
for
their
own
use
.
,
for
example
,
mines
,
____________________
,
roads
.
.
.
