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