The answer to this question is "Gestalt Psychologists" which is the first item from the choices. The Gestalt Psychologist were<span> pioneers in the study of how people organize their world into meaningful units and patterns. Their main concept or the center of their study is that the mind forms a global which organizes tendencies.</span>
Optimum Population talks about the size of a population that is the best out of several outcomes.
The formula for finding density is p = m/v.
Sharecropping<span> is a form of agriculture in which a landowner allows a tenant to use the land in return for a share of the crops produced on their portion of land.</span>