AnswersVUSD World History A OLInventions and Inventors

Inventions and Inventors Answers

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radiationpasteurizationvaccinationcombustion

A
radiation
B
pasteurization
C
vaccination
D
combustion
3

What was the main way in which industrial age inventors helped farmers?

A
by developing new techniques for growing crops
B
by removing harmful bacteria from the soil
C
by using radiation to control farm pests
D
by improving farmers’ working conditions
4

What did Marie Curie achieve during her career? Check all that apply.She discovered how to preserve foods safely.She developed X-ray machines.She discovered radioactive elements.She created vaccines for diseases.She won the Nobel Prize.

A
She discovered how to preserve foods safely.
B
She developed X-ray machines.
C
She discovered radioactive elements.
D
She created vaccines for diseases.
E
She won the Nobel Prize.
5

How could George Washington Carver’s discoveries help people on both a local and a global level?

A
His discoveries could reduce energy waste in both local and international towns, cities, and industries.
B
His discoveries could power schools, businesses, and homes both in the US and abroad.
C
His discoveries could help local farmers grow more crops and help address the issue of hunger around the world.
D
His discoveries could help local workers build products and help retailers sell them all over the world.
6

Which inventor developed a new motor that generated alternating current (AC) electricity?

A
Marie Curie
B
Gregor Mendel
C
George Washington Carver
D
Nikola Tesla
7

Question text not available

Answer not available
9

The photo shows an invention from the Second Industrial Revolution.

Question illustration
A
the alternating current engine
B
the telephone
C
the telegraph
D
the internal combustion engine
10

The chart shows automobile ownership in the early twentieth century.Based on the chart, what conclusion can be made about automobile ownership?

Question illustration
A
In 1910 and 1920, automobile sales increased enormously.
B
People bought new types of automobiles in the 1930s.
C
Automobiles were slow and unreliable until the 1950s.
D
Automobiles became more popular and affordable over time.

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