Age is not a major dimension of social stratification, as it does not consistently predict life chances or opportunities.

Functionalist theory argues that social inequality is necessary for the smooth functioning of society, as it motivates people to work hard and achieve success.

Happiness is not a direct consequence of social inequality, although it can be affected by other factors associated with inequality, such as poverty or discrimination.

All of the above options are potential solutions to social inequality, as they can help to reduce the gap between the rich and the poor and create a more just and equitable society.

The United States has the highest level of social inequality among developed countries, with a Gini coefficient of 0.41.

Denmark has the lowest level of social inequality among developed countries, with a Gini coefficient of 0.24.

Social mobility is the process by which people from lower social classes move up to higher social classes.

Social mobility is the process by which people from lower social classes move up to higher social classes, and vice versa.

Horizontal mobility is not a type of social mobility, as it does not involve a change in social class.

Education is not a factor that contributes to social inequality, but rather a factor that can help to reduce it.

Happiness is not a consequence of social inequality, but rather a factor that can be affected by it.

All of the above options are potential solutions to social inequality, as they can help to reduce the gap between the rich and the poor and create a more just and equitable society.

The United States has the highest level of social inequality among developed countries, with a Gini coefficient of 0.41.

Denmark has the lowest level of social inequality among developed countries, with a Gini coefficient of 0.24.

Social mobility is the process by which people from lower social classes move up to higher social classes.