Final answer:
Adolescence is a time of physical and cognitive changes, marked by puberty and abstract thinking, accompanied by a sense of invincibility that may result in risky behaviors.
Explanation:
Adolescence is a period of significant physical and cognitive changes, including puberty and abstract thinking. Teens may experience feelings like fear, loneliness, and guilt, and may take on new responsibilities. Adolescents often have a sense of invincibility that can lead to risky behaviors.
Learn more about Adolescence here:
https://brainly.com/question/44135719
