Which characteristics describe middle-income nations? a. they are also known as more-developed countries. b. economies are based on advanced technology and factories. c. health care and educational opportunities are readily available. d. they are home to 70 percent of the world's population. e. two-thirds of the people live in cities and earn their incomes from industry.

a. They are also known as more-developed countries

d. They are home to 70 percent of the world's population.

e. Two-thirds of the people live in cities and earn their incomes from industry.

Explanation:

Currently more than half of the world's countries belong to the middle income category and this group represents over 70% of the population and 26% of the world gross domestic product (GDP). The vast majority of Latin American and Caribbean (LAC) countries fall into this category according to the per capita income criterion. These countries are more developed than underdeveloped countries and two thirds of people live in cities and earn their income from industry.

answer; (d) all of the above; 100%