Aromatherapy
helps
calm
stress
with
pleasant
____________________
.
Some
smells
relax
____________________
.
Others
make
people
more
____________________
.
Popular
scents
include
____________________
,
grasses
,
and
flowers
.
In
____________________
,
engineers
have
created
aroma
systems
in
public
____________________
.
They
send
____________________
scents
into
the
air
to
create
a
better
environment
.
For
____________________
,
customers
who
are
waiting
in
long
lines
at
some
____________________
might
smell
____________________
flowers
to
help
them
relax
.
