Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Calendar Notice Board Notepad Telephone Book Calendar Notice Board Notepad ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Albert Einstein Isaac Newton Marie Curie Benjamin Franklin Albert Einstein Isaac Newton Marie Curie Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Telescopes Radio-Telegraphy Steam Boating Computers Telescopes Radio-Telegraphy Steam Boating Computers ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1911 1920 1915 1919 1911 1920 1915 1919 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1890s 1900s 1800s 1880s 1890s 1900s 1800s ANSWER DOWNLOAD EXAMIANS APP
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