Answer:
The correct answer is D: economic health, social conditions and living conditions
Experts who study a country's development measure the economic health, social and living conditions in order to determine the indicators that show the level of development in a country.
Development indicators are those which determine the aspects affecting the well-being of the communities or individuals - they can relate to economic, health, social or living conditions, for instance:
access to healthcare
access to appropriate sanitation
access to drinking water
access to shelter
crime rate
fertility rate
literacy rate
infant mortality rate
education
the gross domestic product
poverty level
life expectancy
per capita income
Explanation:
