2. What do grids do? a. They show distance,
b. They run east to west.
C. They show icons of structures,
d. They provide exact coordinates.

d

Explanation:

because on a grid you could see where it lays in the y axis and the x axis

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.

answer; the difference intentions of each photographer;