The correct answer is any substance or environmental factor other than a steroid
The independent variable is the factor or behavior that is manipulated by the experimenter in order to observe the effect of that manipulation on another factor or behavior that is the dependent variable. To you It is also called the experimental or active variable.
Answer:
can we see the options ? :))
The European Union<span> is set up with the aim of ending the frequent and bloody wars between neighbors, which culminated in the Second World War. As of 1950, the </span>European<span> Coal and Steel Community begins to unite </span>European<span> countries economically and politically in order to secure lasting peace.</span><span />