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