Inventions Who invented Bakelite? Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1900 1840 1874 1895 1900 1840 1874 ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Visa Discover Diner's Club MasterCharge Visa Discover Diner's Club MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Thomas Alva Edison Michael Faraday Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Alfred B. Nobel Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1800s 1890s 1900s 1880s 1800s 1890s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? John Wayne Harrison Frazier Steve McQueen Paul Newman John Wayne Harrison Frazier Steve McQueen Paul Newman ANSWER DOWNLOAD EXAMIANS APP
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