Answer:
Fourteen-year-old Deborah is starting to grow pubic hair, and she's just had her first menstrual period.
Explanation:
A nature influence is something that we're not allowed to avoid, it just happens. However, changes that are made by nature influence psychological behavior, because these changes are traditionally strong, and they usually modify the body, the mind, and human behavior. In this example, Deborah is beginning to understand that her body is changing and that she must adapt herself to her body shape and the menstruation, or in some cases, the discomfort it can cause.
