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? 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? 1919 1915 1920 1911 1919 1915 1920 1911 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Ethyl gasoline Radar Sonar Jet propulsion Ethyl gasoline Radar Sonar Jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1920 1890 1901 1944 1920 1890 1901 1944 ANSWER DOWNLOAD EXAMIANS APP
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