Answer:
multiple variables
Explanation:
Multiple variables entails that there may be more than one dependent variable and/or independent variable.
Such always comes to play out if you are conducting an experiment with multiple stages or sets of procedures.
In such type of experiments, there may be more than one set of measurements with different variables.
Its maybe B or C. I think it is B.
An ideology is a system of beliefs that justifies a particular social arrangement such as slavery. This often refers to a set of political views and opinions or it might be pertaining to a set of cultural beliefs. The correct answer is (d.) an ideology.
