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2ans=Rome's location offered several advantages. One of the advantages was the protection of the hills and mountains found in the peninsula
They have meetings,then the legislative branch makes a bill then sends it to the president.If he/she doesn't accept it he will send it back.
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Explanation:
Below is the answer
Independent Variable: Dosage of steroid
Dependent Variable: aggressive behaviour (behaviour)
Experimental Group: 24 rats receiving daily injection of steroid
Controlled Group: 24 rats receiving daily injections of a placebo
The independent variable is not dependent on another variable. e.g, dosage of steroid.
Dependent variable; variation in the dependent variable is controlled by the independent variable, e.g. level of aggression.
Experimental group is the group to which the treatment is administered, they are also known as the treatment group.
Control group is the group that does not receive the treatment, it is simply for the basis of comparison.