B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
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 very
first thing to do in cases like this would be to <u>“Call
the physician to inform them of the findings.”</u>
<span>It is a standard operating procedure
that any unusual finding following a surgery must be directly reported right
away. </span>
