Inventions What inspired reflecting road lights to be invented? The light a cat's eyes gave off on a fence Car door reflecting mirrors The sun light on the windshield Sun light on steel posts on road sides The light a cat's eyes gave off on a fence Car door reflecting mirrors The sun light on the windshield Sun light on steel posts on road sides ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Jet propulsion Sonar Radar Ethyl gasoline Jet propulsion Sonar Radar Ethyl gasoline ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1923 1934 1942 1915 1923 1934 1942 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Visa Diner's Club Discover MasterCharge Visa Diner's Club Discover MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1960s 1970s 1950s 1980s 1960s 1970s 1950s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1920 1919 1915 1911 1920 1919 1915 1911 ANSWER DOWNLOAD EXAMIANS APP
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