Sex and broken condoms? I suggest you just read the chapters your professor assigned, I don't want to do your homework.
the projected world population in ten years is 6,800,000,000
22,354,234,981.
The average age for the population in the world is 37.4 years. This is the average age for developed countries, for developing countries it is 24.3 years.
The population started to increase rapidly
Unemployment is caused mainly by the increase of population.
WWII
a preference for warmer climates.
Why world's population has increased rapidly in last hundred years and main problems will cause?
There are people that believe that the world's population started about 500 years ago. There are also people that believe, that according to the Bible, the world's population started over 2000 years ago with Adam and Eve.
The worlds population was 3.3 billion in 1965, it is now 6.7 billion so it that instance of doubling took 34 years .
Dude wierd
The worlds population in 1913 was roughly 1,650,000. The worlds population in 2013 is 316,192,478. This means that the world has doubled the population almost three times total in the last 100 years.