Inventions When was the toothbrush invented? 1770 1765 1790 1742 1770 1765 1790 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1840 1900 1874 1895 1840 1900 1874 1895 ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1950s 1940s 1960s 1980s 1950s 1940s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Etch-A-Sketch Lite-Brite Play-Doh Silly Putty Etch-A-Sketch Lite-Brite Play-Doh Silly Putty ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
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