Inventions Who invented Gunpowder? Sir Frank Whittle G. Ferdinand Von Zeppelin Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin Roger Bacon Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1950s 1970s 1960s 1940s 1950s 1970s 1960s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Benjamin Franklin Hargobind Khorana Meghnad Saha J.J. Thompson Benjamin Franklin Hargobind Khorana Meghnad Saha J.J. Thompson ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1830 1854 1849 1835 1830 1854 1849 1835 ANSWER DOWNLOAD EXAMIANS APP
Inventions Where is the village of Branston, after which the famous pickle is named? Norfolk Yorkshire Lancashire Staffordshire Norfolk Yorkshire Lancashire Staffordshire ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Benjamin Franklin Sir Alexander Graham Bell Alfred B. Nobel Thomas Alva Edison Benjamin Franklin Sir Alexander Graham Bell Alfred B. Nobel Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP