<span>Develop theories based on their research is something that they always do in their work.
Sociologists will always tried to find the explanation of various social phenomenons. In order to find the answer, they need to formulate initial theories and conducted several researches/experiments in order to proof whether their theories are correct.</span>
Answer:
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.
The answer is D there is less forest habitats for plants and animals
