In a relationship, there are benefits or rewards for both partners. They each gain something from eachother by being together,
Ibeleive the answer is bullying because younger kids get bullied and even sometimes adults but teenegers get bullied the most by other teenagers which causes stress and other issues.
sorry if its wrong
<span>While all four of the items and factors listed are, in fact, known carcinogens and thus capable of causing cancer, only one meets the definition of a pathogen, which is an organism, such as a virus or bacterium, which can produce harmful effects. That factor is item d) human papillomavirus or HPV, which is a root cause of cervical cancer.</span>
Cardiovascular endurance, muscular strength, muscular endurance, and flexibility.