Inventions MCQs (Grade 8) From Textbook
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Inventions Competitive Exam MCQs – Mock Test 75
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Which one of the following is the founder of Morse code?
Toothpaste was invented by
Which one of the following discovered electromagnetic induction independently?
In 1794, which one of the following scientists patented a gas Engine?
Which one of the following was the first hominin to master?s stone tool technology?
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