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General Knowledge
General Knowledge: Inventions & Discoveries
Medium
#inventions & discoveries
4.5
rating
5,100 plays
70% avg score
About this quiz
Who invented what, and who first worked out how the world works.
How it works
Answer every question before the timer runs out.
Flag anything you're unsure about and review it before submitting.
Score 60% or higher to earn a certificate.
General Knowledge: Inventions & Discoveries · TECHDE