Inventions When was the toothbrush invented? 1770 1790 1765 1742 1770 1790 1765 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Woodie Guthrie Thomas Hines Arlo Guthrie Jethro Tull Woodie Guthrie Thomas Hines Arlo Guthrie Jethro Tull ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Rudolf Diesel Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Rudolf Diesel Thomas Alva Edison Alfred B. Nobel Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Leisure suit Eight-track tape deck Lava lamp Hot comb Leisure suit Eight-track tape deck Lava lamp Hot comb ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1880s 1890s 1800s 1900s 1880s 1890s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? F. Rozenosh C. Birdsey G. Findus R. Scott F. Rozenosh C. Birdsey G. Findus R. Scott ANSWER DOWNLOAD EXAMIANS APP
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