The average age of the population in selected developed countries listed in the table above has been increasing. I WILL MARK BRAINLEST IF CORRECT! A. Identify and explain two reasons that the average population age is increasing in developed countries.
B. Identify and explain one social consequence and one economic consequence that countries face as their populations age.

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.