Inventions Who invented the BALLPOINT PEN? Bicc Brothers Waterman Brothers Biro Brothers Write Brothers Bicc Brothers Waterman Brothers Biro Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1960s 1980s 1970s 1950s 1960s 1980s 1970s 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 Isaac Newton Albert Einstein Benjamin Franklin Marie Curie Isaac Newton Albert Einstein Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1840 1874 1900 1895 1840 1874 1900 1895 ANSWER DOWNLOAD EXAMIANS APP
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