Inventions Which scientist discovered the radioactive element radium? Isaac Newton Marie Curie Benjamin Franklin Albert Einstein Isaac Newton Marie Curie Benjamin Franklin Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Car door reflecting mirrors The light a cat's eyes gave off on a fence The sun light on the windshield Sun light on steel posts on road sides Car door reflecting mirrors The light a cat's eyes gave off on a fence The sun light on the windshield Sun light on steel posts on road sides ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1874 1840 1895 1900 1874 1840 1895 1900 ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Steam Boating Radio-Telegraphy Computers Telescopes Steam Boating Radio-Telegraphy Computers Telescopes ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Vacuum cleaner Blender Washing machine Electric mixer Vacuum cleaner Blender Washing machine Electric mixer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? W. Raleigh K. Edwards E. Asselbergs S. Tuberosum W. Raleigh K. Edwards E. Asselbergs S. Tuberosum ANSWER DOWNLOAD EXAMIANS APP
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