an edge city is a that develops the qualities and services usually found in central cities.a. greyfieldb. declining suburbc. tract housing developmentd. growing

D: growing suburb

An edge city is a growing suburb that develops the qualities and services usually found in central cities.

Explanation:

An edge city refers to concentration of  firms, shopping malls, entertainment in a previous residential or rural area. It can exist within the central business areas or outside. It is an attraction area for shoppers and  has many office spaces. Edge cities are centrally planned, convenient and seen as a city by residents.

answer; scientific;

i believe the answer is: description

description refers to the goal of psychologist to identify the phenomenon that being observed. this goal is being actualized by collecting data/information from various clues that observed through the phenomenon. this goal must be accomplished before pyschologist able to create methods of treatment.