Inventions Who invented the phonograph? Thomas Edison Jules Levy John Kruesi Alexander Graham Bell Thomas Edison Jules Levy John Kruesi Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1835 1854 1849 1830 1835 1854 1849 1830 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? K. Edwards E. Asselbergs S. Tuberosum W. Raleigh K. Edwards E. Asselbergs S. Tuberosum W. Raleigh ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1800s 1900s 1880s 1890s 1800s 1900s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? J.J. Thompson Meghnad Saha Benjamin Franklin Hargobind Khorana J.J. Thompson Meghnad Saha Benjamin Franklin Hargobind Khorana ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Race cars Parachute Dynamite Ladders Race cars Parachute Dynamite Ladders ANSWER DOWNLOAD EXAMIANS APP