Inventions When was Milk Tray first introduced? 1923 1934 1942 1915 1923 1934 1942 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1940s 1970s 1950s 1960s 1940s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1920 1890 1944 1901 1920 1890 1944 1901 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? J.J. Thompson Benjamin Franklin Hargobind Khorana Meghnad Saha J.J. Thompson Benjamin Franklin Hargobind Khorana Meghnad Saha ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Reflecting telescope Spectacles Chronometer Microscope Reflecting telescope Spectacles Chronometer Microscope ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1739 1785 1760 1743 1739 1785 1760 1743 ANSWER DOWNLOAD EXAMIANS APP