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Scientific investigations involve many steps and processes. Which characteristics define a laboratory experiment?
A. hypothesis, models, and calculations
B. test variables, data, and uncontrolled conditions
C. data, conclusions, and unregulated environment
D. independent and dependent variables, data, and controlled conditions

  • Science -

    I'll be glad to check your answer.

  • Science -

    I think it is A but I am not sure

  • Science -

    I disagree.

  • Science -

    is it D

  • Science -

    Yes.

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