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