Inventions When was barb wire patented? 1840 1895 1874 1900 1840 1895 1874 1900 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Hargobind Khorana Meghnad Saha Benjamin Franklin J.J. Thompson Hargobind Khorana Meghnad Saha Benjamin Franklin J.J. Thompson ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Hiram Walker Charles Richter Giuseppe Mercalli Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli Joshua Rumble ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1765 1742 1770 1790 1765 1742 1770 1790 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Thomas Edison Alessandro Volta James Hargreaves John Wilkinson Thomas Edison Alessandro Volta James Hargreaves John Wilkinson ANSWER DOWNLOAD EXAMIANS APP
Inventions What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931? Capri pants Aloha shirt Muumuu String bikini Capri pants Aloha shirt Muumuu String bikini ANSWER DOWNLOAD EXAMIANS APP
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