LISTENING. WORLD POPULATION

LISTENING ABOUT WORLD POPULATION

1. How many people are there in the world?
2. How was the Birth rate in the 17^th century?
3. When did the growth rate start to increase? Why?
4. Why life expectancy increase?
5. What is the demographic explosion?
6. It rose from.......to....
7. How is the rate of increase today?
8. <pepople live in environment that have..................................