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