Controlled scientific experiments include variables. One kind of variable is an independent variable (test variable) and the other kind is a dependent variable (outcome variable.) Which statement best describes the difference between these variables? A.
The dependent variable does not change and the independent variable does change.

B.
The dependent variable does not change and the independent variable does not change.

C.
The dependent variable is the control and the independent variable is the result.

D.
The dependent variable changes due to the changes made to the independent variable.