1:00
en
CR
10
radioactive pollution ozone montreal nitrogen sulfur nuclear plant fossil fuel carbon dioxide dioxine
1
2
3
4
5
U
6
7
X
8
9
L
10
Across:
2.
3.
7.
8.
10.
Down:
1.
4.
5.
6.
9.
© 2013
PuzzleFast.com
, Noncommercial Use Only
1
F
2
N
I
T
R
O
G
E
N
S
S
I
3
M
O
4
N
T
5
R
E
A
L
U
A
F
6
O
C
D
U
Z
L
I
E
7
C
A
R
B
O
N
D
I
O
X
I
D
E
O
L
N
A
A
E
8
S
U
L
F
U
R
C
P
T
9
D
L
I
I
A
V
10
P
O
L
L
U
T
I
O
N
E
X
T
I
N
E
Across:
2.
3.
7.
8.
10.
Down:
1.
4.
5.
6.
9.
© 2013
PuzzleFast.com
, Noncommercial Use Only