The average age of the population in selected developed countries listed in the table above has been increasing. 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.

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation