| A | B |
|---|
| migration | to move from place to place |
| exponential growth | increases by larger and larger amounts |
| world population | total number of people on earth |
| death rate | # of deaths/1,000 people in a year |
| demographer | scientist who studies populations |
| population trend | change in population over time |
| stablize | to remain the same |
| sanitation | disposal of waste |
| life expectancy | # of years a person is expected to live |
| poverty level | amount one must earn to afford what is needed to live |
| starve | to die because of hunger |
| fertility rate | average number of births per woman |
| consumption | process of using resources and producing waste |
| toxic waste | waste that is poisonous to living things |
| fossil fuel | source of energy that comes from fossilized plants or animals |
| mine | to extract minerals from the earth |
| renewable | able to be renewed by natural processes |
| fishery | industry that catches and sells fish |
| affluences | wealth |
| equity | fairness |
| obesity | state of being significantly overweight |
| nontoxic | not poisonous to the environment |
| compost | decomposed organic waste high in nutrients |
