Inventions What Benjamin Franklin invented? Barometer Bifocal spectacles Hygrometer Radio Barometer Bifocal spectacles Hygrometer Radio ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Radar Sonar Jet propulsion Ethyl gasoline Radar Sonar Jet propulsion Ethyl gasoline ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor 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'? Roger Penrose Michael Skube Albert Einstein George Gamow Roger Penrose Michael Skube Albert Einstein George Gamow ANSWER DOWNLOAD EXAMIANS APP
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