Inventions In which decade was the transistor invented? 1960s 1980s 1950s 1940s 1960s 1980s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What drink was invented by Charles Leiper Grigg in 1929? 7-Up Hawaiian Punch Pepsi Yoo-Hoo 7-Up Hawaiian Punch Pepsi Yoo-Hoo ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer 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 MasterCharge Discover Visa Diner's Club MasterCharge Discover ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions What beverage was invented by Charles Alderton in 1885 in Waco, Texas? Cream soda Dr. Pepper Sprite Coca-Cola Cream soda Dr. Pepper Sprite Coca-Cola ANSWER DOWNLOAD EXAMIANS APP
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