1. Who discovered the circulation of blood in the human body?

    Who discovered the circulation of blood in the human body?

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  2. What is the chemical formula for acetic acid?

    What is the chemical formula for acetic acid?

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  3. What is the chemical formula for phosphoric acid?

    What is the chemical formula for phosphoric acid?

    8
  4. General Knowledge Video Part 39

    General Knowledge Video Part 39

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  5. Who wrote "Romeo and Juliet"? General Knowledge Video

    Who wrote "Romeo and Juliet"? General Knowledge Video

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