Question

what of the following revolutionized the steel industry? (1 point) the bessemer process the switchboard the mail - order catalog the bell company

Explanation:

The Bessemer Process was a method for mass - producing steel. It allowed for the removal of impurities from iron through oxidation, which made steel production faster, cheaper, and on a larger scale. This had a profound impact on the steel industry. The switchboard was related to electrical communication, the mail - order catalog was a business marketing tool, and the Bell Company was associated with telecommunications (especially the telephone). None of these other options had a direct and revolutionary impact on the steel industry like the Bessemer Process.

Answer:

the Bessemer Process