Answer:
<h2>3. knowledge of common risk factors, level of physical activity, ways of reacting to conflict.</h2>
Explanation:
Actions that people could take to improve their health, must be those that can be changed, those that actually depend on the individual.
Knowledge of common risk factor is something that depend on the person who wants to improve, he or she can actually change this by reading more, investigating more about it from good sources.
Level of physical activity can be changed only by the person who wants to improve, that's who it works. It doesn't depend on other people, families or friends. If the person doesn't workout, won't improve.
Ways of reacting to conflict is also an individual experience. Reacting peacefully and resilient to conflict is a personal characteristic.
So, that's why the answer 3 is the right one. Because those factors are personal and improving them can affect positively health.
