Inventions What Frank Whittle invented? Ethyl gasoline Sonar Jet propulsion Radar Ethyl gasoline Sonar Jet propulsion Radar ANSWER DOWNLOAD EXAMIANS APP
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 Who came up with the idea for INSTANT MASHED POTATO? K. Edwards E. Asselbergs S. Tuberosum W. Raleigh K. Edwards E. Asselbergs S. Tuberosum W. Raleigh ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Thomas Hines Woodie Guthrie Jethro Tull Arlo Guthrie Thomas Hines Woodie Guthrie Jethro Tull Arlo Guthrie ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Write Brothers Waterman Brothers Bicc Brothers Biro Brothers Write Brothers Waterman Brothers Bicc Brothers Biro Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1870s 1840s 1810s 1890s 1870s 1840s 1810s 1890s ANSWER DOWNLOAD EXAMIANS APP
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