... population: 1. In 10 .000 B.C, there were about million people in the world.2. In A.D .1, 3. In 17 5 0, 4. In 18 50, 5. In 19 50, 6. In 2000, - Calls on some Sts to answer in front of the class. - Checks ... answers: 1. In 10 .000 B.C, there were about 10 million people in the world.2. In A.D .1, the world's population was 300 million.3. In 17 5 0, there were 625 million people.4. In 18 50, the ... Vocabulary: - increase(v) >< decrease (v) - support (v): nuôi nấng, cung cấp - population growth: sự phát triển - limit (n;v): giới hạn, hạn chế - safe (adj): an toàn - birth-control methods:...