Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1870s 1860s 1900s 1850s 1870s 1860s 1900s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? France United States England Philippines France United States England Philippines ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? S. Tuberosum W. Raleigh E. Asselbergs K. Edwards S. Tuberosum W. Raleigh E. Asselbergs K. Edwards ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Marie Curie Benjamin Franklin Isaac Newton Albert Einstein Marie Curie Benjamin Franklin Isaac Newton Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
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