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Vocabulary for Exploring Our World Chapter 3, Lesson 1 Vocabulary

Death rate

the number of deaths per year for every 1,000 people

Birth rate

the number of children born each year for every 1,000 people

Population density

the average number of people living in a square mile or kilometer


the growth of cities


leave the country where one is born and move to another


people who are forced to flee to another country to escape wars, persecution, and disasters


a severe lack of food

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