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