February 21, 2017

Homework Help: Science

Posted by Anne on Sunday, October 20, 2013 at 3:08pm.

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

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