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