... of the world in 10,000BC was 10 million. In1750 it was 6225 million; in 1850 it was 1300million ,in1950 it was 2510 million (paragraph 1) 2,by the year 2015 the population of the world is ... today we are going to learn about world population - Listen to the teacher and answer the questions - Listen to the teacher and open the book – Unit7 , part A: reading ... environmental pollution, unemployed and social evils, which will easily weaken a country. Third World : EX : Laos , India , … - Look at the book, listen to the teacher and work in - Help...