Inventions When was the first elevator built? 1760 1743 1785 1739 1760 1743 1785 1739 ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1940s 1950s 1970s 1960s 1940s 1950s 1970s 1960s 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 Who came up with the idea for INSTANT MASHED POTATO? E. Asselbergs S. Tuberosum W. Raleigh K. Edwards E. Asselbergs S. Tuberosum W. Raleigh K. Edwards ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines France England United States Philippines France England United States ANSWER DOWNLOAD EXAMIANS APP
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