Inventions and Inventors Answers
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Which inventor developed a new motor that generated alternating current (AC) electricity?
A
Marie CurieB
Gregor MendelC
George Washington CarverD
Nikola Tesla2
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The photo shows an invention from the Second Industrial Revolution.
A
the alternating current engineB
the telephoneC
the telegraphD
the internal combustion engine4
What was the main way in which industrial age inventors helped farmers?
A
by developing new techniques for growing cropsB
by removing harmful bacteria from the soilC
by using radiation to control farm pestsD
by improving farmers’ working conditions5
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A
radiationB
pasteurizationC
vaccinationD
combustion6
What conclusion can be drawn about the relationship of Joseph Lister’s and Louis Pasteur’s work?
A
Lister’s work was only made possible by Pasteur’s discoveries.B
Lister and Pasteur could not have made their discoveries separately.C
Lister’s and Pasteur’s discoveries depended on the work of Marie Curie.D
Pasteur’s work was only made possible by Lister’s discoveries.7
What can be concluded about the long-term effects of Alexander Graham Bell’s invention?
A
It increased literacy rates by encouraging people to communicate through the written word.B
It encouraged the development of new cities and trades by allowing people to travel farther and faster.C
It improved the economy by increasing the number of hours people could work each day.D
It enabled families to remain in close contact even as they moved across the country and across the world.9
The use of antiseptics in hospitals resulted in
A
an increase in injury rates.B
more deaths following surgeries.C
new types of X-ray machines.D
a decline in the infection rate.Did you find these answers helpful?
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