Inventions Who invented the battery? John Wilkinson Alessandro Volta Thomas Edison James Hargreaves John Wilkinson Alessandro Volta Thomas Edison James Hargreaves ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Jet propulsion Ethyl gasoline Radar Sonar Jet propulsion Ethyl gasoline Radar ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Vacuum cleaner Washing machine Electric mixer Blender Vacuum cleaner Washing machine Electric mixer ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Benjamin Franklin Isaac Newton Albert Einstein Marie Curie Benjamin Franklin Isaac Newton Albert Einstein Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1840 1874 1900 1895 1840 1874 1900 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Waterman Brothers Biro Brothers Bicc Brothers Write Brothers Waterman Brothers Biro Brothers Bicc Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
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