Inventions Who invented Gunpowder? Leo H Baekeland Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1920 1944 1901 1890 1920 1944 1901 1890 ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Diving bell Hot air balloon Rotary steam engine Steam boat Diving bell Hot air balloon Rotary steam engine Steam boat ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Hammock Sofa bed Captain's chair Waterbed Hammock Sofa bed Captain's chair Waterbed ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Roger Penrose Albert Einstein George Gamow Michael Skube Roger Penrose Albert Einstein George Gamow Michael Skube ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS