Inventions Who invented the battery? Thomas Edison James Hargreaves John Wilkinson Alessandro Volta Thomas Edison James Hargreaves John Wilkinson Alessandro Volta ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline Sonar Radar ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Rotary steam engine Steam boat Hot air balloon Diving bell Rotary steam engine Steam boat Hot air balloon Diving bell ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Benjamin Franklin Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Benjamin Franklin Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
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