SEPT 18, 2014 People On The Land

Today we are going to talk about population and migration - people on the land.
Actually, there are over 7 billion people inhabit the earth and it is increasing by ove 73 million people in each year.
 About 90% of population growth takes place in countries such as Africa, South and East Asian and Latin America. 
The reason about the increasing number of people, such as: oil, food,potable water, wood, government and technology.
Many developing countries are the ones with the most technology.
And countries are  less developed have a lower life expectancy. 
Life expectancy is: The average number of years to be lived by a group of people born in the same year.
I had a vey good day today.