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