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Exploring Our World(ch3-1)vocab.

Vocabulary for Exploring Our World Chapter 3, Lesson 1 Vocabulary
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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
urbanization
the growth of cities
emigrate
leave the country where one is born and move to another
refugee
people who are forced to flee to another country to escape wars, persecution, and disasters
famine
a severe lack of food