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How did henry bessemer ignite a second industrial revolution?
a. by inventing a more efficient steam engine
b. by discovering that electricity could be harnessed as an energy source
c. by developing a system for mining coal to be used in factories
d. by developing a less expensive process for turning iron into steel
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How did henry bessemer ignite a second industrial revolution?
a. by inventing a more efficie...
a. by inventing a more efficie...
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