AnswersSS221 World HistoryGeography ARise of the Nation-State

Inventions and Inventors Answers

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

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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.
2
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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.
3

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4

The chart shows automobile ownership in the United States from 1900-1950.

Question illustration
A
1900 and 1920.
B
1930 and 1940.
C
1940 and 1950.
D
1920 and 1930.
5

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.
6

For the YOUNG BUSINESS MANThe Ford Runabout is a profitable partner and a happy companion for the boy who is making his mark in business and at school.It reduces distance from a matter of miles to a matter of minutes. By saving time and effort, it makes larger earnings possible. And costing little to buy and keep going, it quickly pays for itself.When vacation time rolls round the Runabout enables the young business man to reduce by hours the time between work and play.Let us tell you how easy it is to buy a Ford on the Weekly Purchase Plan.Ford Motor Company, Detroit, Michigan

A
popularity
B
reliability
C
affordability
D
purity
7

The first engine-powered flight took place in the year

A
1925.
B
1889.
C
1941.
D
1903.
8

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
9

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.
10

What is the best definition of heredity?

A
Heredity is the theory that energy can travel most safely through alternate currents.
B
Heredity is the process by which characteristics are passed to offspring.
C
Heredity is the process by which heat kills harmful bacteria in milk and other foods.
D
Heredity is the theory that radiation can be dangerous or deadly when misused.

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