A. 27%
B. 19%
C. 41%
D. 14%
A. cardboard
B. polystainfloride
C. foam
D. plastic
A. $48,000,000
B. $57,000,000
C. $45,000,000
D. $42,000,000
A. methane
B. helium
C. carbon monoxide
D. poly dioxide
E. fluorinated gases