Bightness constancy refers to the fact that: a. light waves reflected by an object remain constant despite changes in illumination levels.
b. one of the depth cues involves perceiving dimmer objects as being farther away.
c. the frequency of light waves has a fixed relationship to the brightness of the light.
d. the perceived whiteness of an object has a constant relation to its lightness.
e. objects are perceived to have consistent lightness even if the amount of light they reflect changes.

Neighborhood and community characteristics: the social ecology approach emphasizes the view that certain social and physical characteristics of neighborhoods and communities influence the likelihood of committing deviance and crime.imagine that you are in a position as a community leader. there are several neighborhoods in your community with: high poverty rates low quality housing single parent households which issue would you address first, and what strategies would you propose to address this issue?