What are the answer choices? It could be drug abuse or distracted driving.
Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an object being observed and one of the color appearance parameters of color appearance models.
The best answer to fill in the blank would be ''Bystander'' because as that role you can go tell any adult or higher authority to stop the fighting so you don't try to be a hero and get yourself hurt as well.
The third one. hope this clarifies
Emphysema is a condition gathering area between the lungs and chest, while emphyema is an infection of lung tissue.
