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 FROZEN FOOD - Who discovered the first practical method of freezing food? F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1915 1911 1920 1919 1915 1911 1920 1919 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Radar Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline Sonar ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1944 1920 1890 1901 1944 1920 1890 1901 ANSWER DOWNLOAD EXAMIANS APP
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