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Questions and Answers
What led directly to the development of new products like television, computers, and nuclear weapons?
What inspired the development of calculus?
What is the origin of the word 'physics'?
Which ancient civilization is mentioned as having knowledge of natural sciences before 3000 BCE?
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What is one of the oldest natural sciences?
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When did the Thracians appear on the Balkan Peninsula?
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When did the Bulgars form an independent state north of the Black Sea?
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When did the earliest evidence of hominid occupation in Bulgaria date from?
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When was the sophisticated civilization in Bulgaria already in existence?
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When did the Thracians form the powerful Odrysian Kingdom?
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