Inventions Who invented the BALLPOINT PEN? Biro Brothers Waterman Brothers Bicc Brothers Write Brothers Biro Brothers Waterman Brothers Bicc Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1980s 1970s 1960s 1950s 1980s 1970s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Marie Curie Albert Einstein Benjamin Franklin Isaac Newton Marie Curie Albert Einstein Benjamin Franklin Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1874 1900 1895 1840 1874 1900 1895 1840 ANSWER DOWNLOAD EXAMIANS APP
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