What are some causes of a sore and red tongue? A: Several things may cause a sore tongue including trauma such as biting or burning the tongue, smoking cigarettes, or having a canker sore on the tongue, ac... Full Answer >
Lower middle class. In developed nations across the world, the lower middle class is a sub-division of the greater middle class. Universally the term refers to the group of middle class households or individuals who have not attained the status of the upper middle class associated with the higher realms of the middle class, hence the name. Contents.
Key Difference: The Lower, Middle, and Upper Classes are basically groups divided by income. The lower class usually earns the least, the upper class earns the most, and the middle class earns in the middle of the two. The population is often divided into socio-economic groups based on their household incomes.