Inventions Practice Tests
Inventions Online Tests
The Polygraph Multiple Choice Questions (MCQ Quiz) with Answers PDF (Polygraph MCQ PDF e-Book) download to practice Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Polygraph quiz answers PDF for online elementary school classes. The Polygraph MCQ App Download: Free learning app for modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.
The MCQ: Polygraph was discovered by; "Polygraph" App Download (Free) with answers: Sir Frances Gabe; Sir George Beers; Sir John Larson; Sir Louis Pasteur; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google eBook (Free Sample) for school certificate.
In which one of the following year, Polygraph was patented?
Polygraph was discovered by
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