Inventions Which scientist discovered the radioactive element radium? Benjamin Franklin Marie Curie Albert Einstein Isaac Newton Benjamin Franklin Marie Curie Albert Einstein Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1810s 1870s 1890s 1840s 1810s 1870s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1880s 1800s 1900s 1890s 1880s 1800s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1923 1942 1934 1915 1923 1942 1934 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Harmonium Banjo Clarinet Oboe Harmonium Banjo Clarinet Oboe ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Glider Gasoline powered automobile Streetcar Steam turbine Glider Gasoline powered automobile Streetcar Steam turbine ANSWER DOWNLOAD EXAMIANS APP
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