| A | B |
|---|
| Natural Resources | Materials we take from the natural environment to survive and satisfy our needs |
| Nonrenewable Resources | Resources that cannot be replaced once they have been used |
| Fossil Fuels | fuels such as coal, oil, and gas formed from the remains of ancient plants and animals |
| Renewable Resources | natural resources that the environment continues to replace |
| Nuclear Energy | Energy produced by splitting Uranium atoms in reactors |
| Solar Energy | Energy from the sun which can be used for many everyday purposes |
| Geothermal Energy | energy that comes from the earth's internal heat |
| Subsistence Farming | economic activity of growing enough food to feed your family or village |
| Manufacturing | economic activity of processing raw materials into finished products |
| Commercial Farming | Economic activity in which crops are grown in large quantities to sell in markets |
| Developed Country | An industrialized country with many different economic activities |
| Developing Country | A country with relatively low industrial production, little modern technologies, and much agriculture |
| Per capita GNP | Gross National Product divided by the country's total population |
| Gross National Product (GNP) | total value of goods and services produced in a year |
| Modify | to change something |
| Wetland | an area that naturally holds water and provides habitat for wildlife |
| Terracing | a technique for farming in hilly or mountainous lands |
| Canals | manmade waterways built to provide water or transportation |
| Human-Environment Interactions | actions between humans and their natural environment |
| Global Warming | rising of the earth's temperatures possibly due to human activities |
