Inventions Which of the following was first patented by an Australian in 1889? Electric Shaver Electric Drill Electric Heater Electric Fence Electric Shaver Electric Drill Electric Heater Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Electricity Television Telephone Early Warning Electricity Television Telephone Early Warning ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Swede Svenson Cabbage Carlson Potato Peterson Turnip Townsend Swede Svenson Cabbage Carlson Potato Peterson Turnip Townsend ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1870s 1810s 1890s 1840s 1870s 1810s 1890s 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. Mae Jamison Beulah Henry Marjorie Joyner Bessie Blount Mae Jamison Beulah Henry Marjorie Joyner Bessie Blount ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1980s 1960s 1970s 1950s 1980s 1960s 1970s ANSWER DOWNLOAD EXAMIANS APP
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