Question

question 4
in an experiment the factor that we change is called a(n)
a independent variable
b control variable
c conclusion
d dependent variable

Explanation:

In an experiment, the independent variable is the factor that the researcher intentionally manipulates or changes to observe its effect on the dependent variable. A control variable is kept constant to ensure it doesn't influence the results. A conclusion is the outcome or summary of the experiment. The dependent variable is what is measured and changes in response to the independent variable.

Answer:

A. Independent variable