Inventions Practice Test 129
Radio Quiz PDF: Questions and Answers - 129
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The Radio Trivia Questions and Answers PDF (Radio Quiz Answers PDF e-Book) download Test 129 to learn inventions online courses. Practice Inventions and Inventors MCQ questions, Radio Multiple Choice Questions (MCQ) for online college degrees. The Radio Quiz App Download: Inventions Learning App [Free] for concrete, periodic table, pointing stick, tetanus, radio test prep for online classes.
The Quiz: Radio signals were first time sent and received in; "Radio" App (iOS, Android) with answers: 1879, 1888, 1847, and 1895 for distance learning. Study inventions and inventors questions and answers, Apple e-Book to download free sample for taking online classes.
Radio Questions and Answers PDF Download: Quiz 129
Radio signals were first time sent and received in
- 1888
- 1879
- 1895
- 1847
The first inactive tetanus oxide was discovered in
- 1976
- 1903
- 1924
- 1942
Pointing Stick was invented by IBM computer scientist named as
- Sir John Biggins
- Sir Alexander Cartwright
- Sir Stephen Poplawski
- Sir Ted Selker
Periodic table was patented by a Russian Chemist named as
- Dmitri Mendeleev
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
Concrete was discovered by
- Sir Willem Kloff
- Sir Joseph Monier
- Sir George Smith
- Sir Willard Boyle
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