Question

which sentence describes he way in which this object was used?
A)water is pumped into the chamber to convert sand and stone to concrete.
B)Air is blown into the chamber to convert pig iron into steel.
C) Oil is circulated around the chamber and converted into gasoline.
D)wood is placed in the chamber and converted into charcoal.

Answer 1

B) Air is blown into the chamber to convert pig iron to steel