How is the Human Development Index (HDI) determined? A. Reading and literacy rates, birthrates, and immigration levels
B. Reading and literacy rates, health care facilities, and gross
domestic product
C. Knowledge, life expectancy, and health care facilities
D. Knowledge, standard of living, and life expectancy

Answer light in color; silica-rich;

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.

Empty quarter and sandy desert