An element <u>period </u>is its row in the periodic table.
Many children in united states are told by their peers that they need to display rebellious behavior in order to be respected by other peers.
Tupac singlehandedly broke those rules by excluding so much charisma and dignity in doing proper behavior and following laws while manage to NOT letting other people taking advantage of him
Answer: A) 5 years of age.
Explanation:
Pro-social behavior is defined as social behavioral characteristics that is performed for benefit of others. These traits include sharing things, helping act, volunteering etc.
According to the question, Jessica can belong to 5 year old age group as she expecting other benefit by providing benefit.She is sharing her cookie with expectation of getting chocolate from her friend.
Other options are incorrect because 4 year old might display reactive pro-social behavior or not aware about benefit concept .Thus, the correct option is option(A).