the main ones are birth and death
decreased mortality
In my point of view the main reasons of population growth is poverty and illiteracy.
The industrial revolution. Factories and manufactures were located in the large cities, so the workers moved from the rural areas to the cities for jobs, therefore, population increase.
the main for the rapid growth of population is fertility and fecundity it creates more population in this world and makes the to be in poverty line and to be unemployment.
There is two main factors when ranging with TV signal and having it increase. The main factors are primary service and city-grade contour.
population growth
Hays County has experienced a 50% increase in population since 1990.
temperature and moisture
the main cause is rapid population increase
The first component of population growth is: 1-Birth rate 2-Death rate 3-Migration
3 main causes of desertification is: 1. Overgrazing 2. Deforestation 3. Agricultural activities. Other factors are: Climate change, drought, moisture loss, population growth, etc.