people
not
particles
limited
use
fire
damage
economic
cannot
condition
replaced
identifiable
contamination
natural
Sulfur
burning
manage
be
carbon
source
wisely
pollution
fuel
consumers
essential
replenished
dioxide
pollutant
abuse
breathing
loss
compromised
conscious
gain
continued
suited
coal
poor
lichen
nature
air
Nonpoint
Natural
resources
are
materials
or
substances
that
occur
in
____________________
and
can
be
used
for
____________________
____________________
.
They
can
be
either
renewable
and
____________________
when
used
through
natural
or
human
processes
,
or
non
-
renewable
and
____________________
____________________
____________________
after
being
used
through
natural
or
human
processes
.
These
resources
are
important
because
we
may
have
____________________
of
that
resource
,
and
some
resources
have
____________________
quantities
.
We
can
help
save
resources
by
being
____________________
____________________
.
Consumption
simply
means
to
use
up
.
Conservation
is
to
use
or
____________________
____________________
,
while
preservation
means
____________________
to
use
at
all
so
that
a
resource
is
maintained
and
reserved
for
____________________
survival
.
The
mixture
of
gases
that
surround
us
that
is
invisible
,
tasteless
,
and
odorless
is
____________________
.
It
is
____________________
for
human
and
animal
life
,
as
well
as
plant
life
,
If
air
quality
is
bad
,
plants
could
produce
____________________
fruit
and
have
____________________
to
their
leaf
tissue
while
animals
and
humans
can
develop
____________________
problems
,
as
well
as
certain
respiratory
diseases
.
An
organism
that
is
composed
of
both
an
algae
and
a
fungi
that
can
help
indicate
air
quality
is
a
____________________
.
Air
pollution
is
the
____________________
of
the
air
by
smoke
and
other
harmful
gases
and
an
air
____________________
is
any
material
that
causes
air
pollution
.
Car
exhaust
,
combustion
engines
are
examples
of
carbon
____________________
and
____________________
monoxide
,
gas
pollutants
caused
by
the
____________________
of
materials
(
often
from
the
petroleum
industry
.
)
____________________
oxides
are
found
in
the
air
as
a
result
of
a
____________________
containing
sulfur
that
is
burned
,
such
as
____________________
or
oil
.
Particle
pollutants
are
small
____________________
of
dust
or
liquid
that
pollute
the
air
in
instances
such
as
a
forest
____________________
.
Water
quality
is
the
____________________
of
water
for
a
particular
____________________
.
It
is
changed
by
____________________
occurrences
such
as
weather
and
earthquakes
as
well
as
the
way
____________________
use
and
____________________
water
.
If
the
condition
of
water
is
not
____________________
for
a
particular
use
,
then
the
quality
of
the
life
of
a
plant
,
animal
,
or
human
would
be
____________________
.
The
addition
of
harmful
chemicals
or
substances
to
water
is
water
____________________
.
Point
____________________
water
pollution
occurs
when
the
contaminant
comes
from
an
obvious
source
and
____________________
source
water
pollution
occurs
when
the
contaminant
comes
from
a
source
that
is
not
easily
____________________
or
from
a
number
of
sources
.
