A is the correct answer .
Please vote my answer branliest! Thanks.
Im taking the test now and i think that the first one is D
The development of the Bessemer process affected the growth of cities because It enabled the mass production of steel, which was used to build new factories.
<h3>What is the Bessemer Process</h3>
The Bessemer process is a steel-making process, now largely superseded, in which carbon, silicon, and other impurities are removed from molten pig iron by oxidation in a blast of air in a special tilting retort
known as a Bessemer converter.
Through the development of the Bessemer process, more cities were built.
learn more about Bessemer process at brainly.com/question/342441
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Im pretty sure albert einstein was the one who sent word of the newfound energy source to franklin D. Roosevelt.
