Answer:
The correct answer is D: economic health, social conditions and living conditions
Step-by-step explanation:
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