| A | B |
| continent | One of the Earth's seven great bodies of land-Africa,Antartica,Asia,Australia,Europe,North America,and South America. |
| hemisphere | Half of a sphere;one of the four hemispheres of Earth. |
| relative location | The location of a place compared to other places. |
| region | An area with common features that set it apart from other areas. |
| environment | The surroundings in which people,plants,and animals live. |
| boundry | A line or a natural physical feature that shows where one place ends and another begins |
| resource | Material used by people |
| natural resource | Something found in nature that people can use |
| renewable resource | A natural resource that can be replaced |
| nonrenewable resource | A natural resource that cannot be replaced |
| mineral | A nonrenewable resource that is found in the ground |
| economy | The wat a country or other place produces or uses natural resources,goods,and services. |
| productive resource | A resource that is used to make goods and services |
| conservation | The careful use of a natural resource |
| pollution | Any substance that makes the air,water,or soil dirty |
| extinct | Dying out. |
| immigrant | A person who comes to a new country to live |
| culture | A way of life shared by a group of people. |
| heritage | The history and tradition that a group of people share. |
| canal | A human-made waterway built for transportation |