Final answer:
Between 20% and 40% of teenagers experience physical aggression in their dating relationships.
Step-by-step explanation:
The correct answer is c. 20; 40. Between 20% and 40% of teenagers experience physical aggression in their dating relationships. This includes behaviors like hitting, pushing, or physically hurting a partner. It is important to recognize the signs of physical aggression in relationships and seek help if experiencing or witnessing such behaviors.