Which of the following is NOT mentioned in the passage ? A. calorie consumption B. population decline C. a level of education D. currency exchange rate

Following the proportional layout, a sequence of smaller maps shows the world’s population density, each country’s birth and death rates, population increase and decrease, industrialization, urbanization , gross national product in terms of per capita income, the quality of medical care, literacy, and language. To give readers a perspective on how their own country fits in with the global view, additional projections despite the world’s patterns in nutrition, calorie and protein consumption, health care, number of physicians per unit of population, and life expectancy by region.