What are the components of the Human Development Index?

Explanation:

It is composed of four principal areas of interest: mean years of schooling expected years of schooling, life expectancy at birth, and gross national income per capita. This index is a tool used to follow changes in development levels over time and to compare the development levels of different countries.

the correct answer is c.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.