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