Inventions Who invented Bakelite? Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Visa Diner's Club MasterCharge Discover Visa Diner's Club MasterCharge Discover ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland Roger Bacon Sir Frank Whittle G. Ferdinand Von Zeppelin Leo H Baekeland Roger Bacon Sir Frank Whittle G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1930s 1950s 1880s 1850s 1930s 1950s 1880s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1950s 1940s 1960s 1970s 1950s 1940s 1960s 1970s ANSWER DOWNLOAD EXAMIANS APP
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