Inventions What James Watt invented? Hot air balloon Rotary steam engine Steam boat Diving bell Hot air balloon Rotary steam engine Steam boat Diving bell ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1950s 1960s 1980s 1970s 1950s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1874 1895 1900 1840 1874 1895 1900 1840 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? K. Edwards S. Tuberosum W. Raleigh E. Asselbergs K. Edwards S. Tuberosum W. Raleigh E. Asselbergs ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Washing machine Electric mixer Vacuum cleaner Blender Washing machine Electric mixer Vacuum cleaner Blender ANSWER DOWNLOAD EXAMIANS APP
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. Beulah Henry Mae Jamison Bessie Blount Marjorie Joyner Beulah Henry Mae Jamison Bessie Blount Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
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