Immigration
The movement of people from one country to another
Demography
A branch of geology that studies human population
Growth Rate
The speed of growth
Birth Rate
The number of births per 1,000 people
Death Rate
The number of deaths per 1,000 people
Age Disturbution
The portion of population of each age
Agriculture
Growing crops and raising animals
Nonrenewable Resources
They cannot be replaced by Earth's natural processes, such as: coal, oil, and natural gas
Renewable Resources
They are easily replaced by Earth's natural processes, such as sunlight, trees, and wind
