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 Marjorie Joyner Bessie Blount Beulah Henry Mae Jamison Marjorie Joyner Bessie Blount Beulah Henry ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? There is no sure date 1831 1825 1828 There is no sure date 1831 1825 1828 ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1850s 1860s 1900s 1870s 1850s 1860s 1900s 1870s ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1970s 1940s 1950s 1960s 1970s 1940s 1950s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1923 1934 1915 1942 1923 1934 1915 1942 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Michael Skube Albert Einstein Roger Penrose George Gamow Michael Skube Albert Einstein Roger Penrose George Gamow ANSWER DOWNLOAD EXAMIANS APP