Population Density + Global explosion

Question 1

What is population Density?

Answer 1

Population Density is the number of people living per square km, which means the number of individuals divided by the size of the area. It can describe the location, growth, and the environment. If a population density is too high, the environment and the population will suffer.

Question 2

How did we get to this point? (Global expansion)

Answer 2

-healthcare and medicine advancing( led to decrease in mortality rates)
-improvements in agriculture and food production
-better access to clean water
-change in technologies
-changing social and economic conditions
-end of world war (more families starting after soldiers came home)