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The answer in the space provided is practical intelligence.
This is where specific learning is introduced with the use of having to use
operating styles where it led people know about information by having to exert
efforts such as by doing it and later be helpful in his or her life.
Answer: D) It shot air into the molten iron, making it hotter and eliminating impurities.
The Kelly-Bessemer process consists of removing impurities from the iron by oxidation with air that is blown through the molten iron. This raises the temperature of the iron mass and keeps it molten. The Kelly-Bessemer process was the first inexpensive industrial process for the mass production of steel.
The process is named after the inventor Henry Bessemer in 1856, although it is said to have been independently discovered by American inventor William Kelly in 1851.
