What is the question. I need
Answer:
By 4 weeks, your baby will respond to your smile, perhaps with a facial expression or a movement. By 3 months, they will smile back at you. By 4 to 6 months, they will turn to you and expect you to respond when upset.
Explanation:
sorry but here is not option so I try my best to give answer
Answer:
Essentially, psychology helps people in large part because it can explain why people act the way they do. With this kind of professional insight, a psychologist can help people improve their decision making, stress management and behavior based on understanding past behavior to better predict future behavior.
