You are presented with the question "What can be determined by the average number of people per one unit of area?" and the following answer choices: 
- hygeine
 - emissions
 - animals
 - growth
 - forces
 - health
 - education
 - people

Now knowing that population density is the average number of individuals per unit of area or volume and another measure of growth is population density, choose the best answer.


 

    growth     