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