Constancy refers to the ability to understand that an object retains the same form even when viewed from a different angle. a. structural b. shape c. brightness d. color

The answer is Shape

Shape Constancy is the tendency to perceive an object as having the same shape regardless of its orientation or the angle from which we view it. It is a term of Psychology. For example, the image of a dinner plate is elliptical, not circular, unless its surface is exactly at a right angle to our line of sight. But in the absence of all depth information, it is not possible to judge the true shape of any object.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide