Inventions Which scientist discovered the radioactive element radium? Benjamin Franklin Albert Einstein Marie Curie Isaac Newton Benjamin Franklin Albert Einstein Marie Curie Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1890s 1800s 1900s 1880s 1890s 1800s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Arlo Guthrie Thomas Hines Jethro Tull Woodie Guthrie Arlo Guthrie Thomas Hines Jethro Tull Woodie Guthrie ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927? Golf cart Ski lift Miniature golf Swimming pool slide Golf cart Ski lift Miniature golf Swimming pool slide ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Hargobind Khorana J.J. Thompson Benjamin Franklin Meghnad Saha Hargobind Khorana J.J. Thompson Benjamin Franklin Meghnad Saha ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Hot comb Eight-track tape deck Leisure suit Lava lamp Hot comb Eight-track tape deck Leisure suit Lava lamp ANSWER DOWNLOAD EXAMIANS APP