A. To separate warring states
In a prominent model of self-administration developed by George Koob, rats are allowed to self-administer cocaine for either 1 hour each day (short access) or 6 hours each day (long access).
It is true, because age and occupation can determine how high or low of a risk they could be.
<em>Answer:</em>
<em>two </em>
<em>Explanation:</em>
<em>In research methods,</em><em> the correlational study is referred to as one of the different types of research designs or methods whereby a researcher attempts to understand the kind or type of relationships various naturally occurring "variables" possess with each other. In other words, a correlation study design attempts to figure-out in what way two or more than two variables are being related to each other.</em>
<em>According to the question above, the correct answer would be "two".</em>
It's honestly quite disrespectful to our Nation. And the whole fact that people would do that is wrong, in my opinion of course.
