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? Benjamin Franklin Isaac Newton Marie Curie Albert Einstein Benjamin Franklin Isaac Newton Marie Curie Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1900 1874 1895 1840 1900 1874 1895 1840 ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Giuseppe Mercalli Charles Richter Joshua Rumble Hiram Walker Giuseppe Mercalli Charles Richter Joshua Rumble Hiram Walker ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Rotary steam engine Steam boat Hot air balloon Diving bell Rotary steam engine Steam boat Hot air balloon Diving bell ANSWER DOWNLOAD EXAMIANS APP
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