The answer is C, they run independent campaigns in support of candidates.
According to Piaget, children gain logic in middle school
C i think is the right answer
The correct answer that would best fit the given statement above would be option D. The concept model is the most recognized model for explaining how concepts are formed. The conceptual model serves as a representation which is made of the concepts in order to assist the audience to know, understand and simulate a subject that the model represents.
