Canada's
____________________
industry
is
concentrated
in
the
____________________
Shield
region
which
surrounds
Hudson
____________________
.
This
area
contains
large
____________________
of
gold
,
silver
,
copper
,
zinc
,
lead
,
iron
ore
,
uranium
,
and
nickel
.
Although
the
____________________
industry
is
very
attractive
,
the
processes
used
to
____________________
Canada's
mineral
wealth
(
i
.
e
.
,
blasting
and
digging
)
often
result
in
____________________
destruction
,
particularly
in
the
areas
around
the
____________________
themselves
.
Sulfur
dioxide
released
from
mining
equipment
reduces
the
____________________
quality
,
and
chemical
runoff
from
mining
processes
often
contaminates
____________________
supplies
.
The
Canadian
____________________
has
passed
legislation
to
____________________
the
amount
of
mining
-
related
____________________
allowed
in
its
____________________
,
namely
in
an
effort
to
protect
fisheries
and
seafood
safety
.
Adapted
from
the
6th
Grade
Social
Studies
Teacher
Notes
for
the
Georgia
Standards
of
Excellence
in
Social
Studie
s
