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? 1970s 1960s 1980s 1950s 1970s 1960s 1980s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Benjamin Franklin Isaac Newton Albert Einstein Marie Curie Benjamin Franklin Isaac Newton Albert Einstein Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1900 1895 1840 1874 1900 1895 1840 1874 ANSWER DOWNLOAD EXAMIANS APP
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