Which of the following terms is defined below?
common in, native to, or restricted to a given place or population
OA) biogeography
OB) endemic
OC) dialect
OD) invasive

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .