I am pretty sure that is the Arabian Desert.
Answer: 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.
Explanation: These "experts" are more known as economic scientists (or another closely related word), where they take the role of documenting and managing the status of the economy (as their name states).
Have a lovely day.
This answer is about your personal experience
