For which of the following would recycling of iron NOT be practical?
A. old cars that are compressed in junkyards
B. steel beams that have been removed from a bridge
C. rust that flakes off a car body
D. wrought iron fences
Answer:C
For which of the following would recycling of iron NOT be practical?
A. old cars that are compressed in junkyards B. steel beams that have been removed from a bridge C. rust that flakes off a car body D. wrought iron fences