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. Washington vs Lincoln QUIZ.. Are You Smarter Than A 5th Grader??

    Washington vs Lincoln QUIZ.. Are You Smarter Than A 5th Grader??

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  4. What is the chemical formula for nitrous oxide?

    What is the chemical formula for nitrous oxide?

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  5. What is the largest land mammal in the world?

    What is the largest land mammal in the world?

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  6. Trivia time! What's your answer? #006

    Trivia time! What's your answer? #006

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  7. Trivia time! What's your answer? #007

    Trivia time! What's your answer? #007

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