Inventions What invention caused many deaths while testing it? Ladders Parachute Race cars Dynamite Ladders Parachute Race cars Dynamite ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Albert Einstein Benjamin Franklin Isaac Newton Marie Curie Albert Einstein Benjamin Franklin Isaac Newton Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1743 1785 1739 1760 1743 1785 1739 1760 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Bifocal spectacles Radio Hygrometer Barometer Bifocal spectacles Radio Hygrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Shaver Electric Drill Electric Heater Electric Fence Electric Shaver Electric Drill Electric Heater ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Cracker Jacks Popsicle Banana split Cotton candy Cracker Jacks Popsicle Banana split Cotton candy ANSWER DOWNLOAD EXAMIANS APP