Answer:
the source is the starting point of a river.
Most teenage deaths and illnesses are brought on by risky behaviors, which may be divided into four categories:
1. Use of cigarettes
2. Alcohol
3. Intoxicating substances.
4. Poor nutritional choices.
What are examples of high risk behaviors?
High-risk behaviors are defined as acts that increase the risk of disease or injury, which can subsequently lead to disability, death, or social problems. The most common high-risk behaviors include violence, alcoholism, tobacco use disorder, risky sexual behaviors, and eating disorders
Why do teenagers take risks?
Risk-taking increases among childhood and adolescence as a result of modifications around the time of puberty in the mind's socio-emotional system main to improved reward-searching for, particularly in the presence of friends, fueled mainly by a dramatic remodeling of the brain's dopaminergic system.
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Primary sources are valuable to historians because they give insight into the ways in which historical figures understood or internalized what they experienced, their place or significance in history, and give historians an understanding of historical figures' opinions.
Can you take a clearer pic please