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Inventions

Inventions
What Frank Whittle invented?

Ethyl gasoline
Sonar
Jet propulsion
Radar

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Inventions
Who invented the battery?

Alessandro Volta
John Wilkinson
Thomas Edison
James Hargreaves

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Inventions
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

Bessie Blount
Marjorie Joyner
Mae Jamison
Beulah Henry

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Inventions
What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

Hammock
Sofa bed
Captain's chair
Waterbed

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Inventions
Who invented the Seed Drill?

Jethro Tull
Arlo Guthrie
Woodie Guthrie
Thomas Hines

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Inventions
What James Watt invented?

Rotary steam engine
Diving bell
Steam boat
Hot air balloon

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