Question

in the memory device \everything, everything, everything, everything stays the same except ______________\, the \everything\ is
the dependent variable
the independent variable
the constants

Explanation:

Step1: Recall variable definitions

In an experiment, the independent variable is what is changed, the dependent variable is what is measured (changes due to independent variable), and constants are kept the same.

Step2: Analyze the memory device

The phrase says everything stays the same except one thing. That one thing that is not the same (i.e., is changed) is the independent variable.

Answer:

the independent variable