| A | B |
|---|
| landforms | physical features on the Earth's surface |
| sea level | level of surface of the oceans |
| plateau | broad area of high, mostly flat land |
| basin | low, bowl shaped land with higher ground all around it |
| volcano | opening in the Earth where hot lava and rocks may pour out |
| current | part of a body of water flowing in a certain direction |
| tides | regular rise and fall of an ocean |
| inlet | any area of water extending into land from a larger body of water |
| tributary | a stream or river flowing into a larger stream or river |
| piedmont | an area at or near the foot of a mountain |
| climate | kind of weather a place has most often |
| vegetation | plant life that grows naturally in a place |
| polar | climate region that is cold all year. Parts of Alaska have this climate |
| fertilizer | material added to the soil to make it more fertile |
| irrigation | use of canals, ditches, or pipes to move water to dry areas |
| nonrenewable | a resource cannot be made again by nature or man |
| renewable | a resource can be made again by nature or land |
| erosion | wearing away of earth's surface by wind or rain |
| tropical | climate region that is hot and rainy all year, such as Hawaii |
| desert | tropical region that is dry; hot or cold all year, such as Arizona |
| continental | climate region that has a hot summer and a cold winter, such as New Jersey |
| tundra | vegetation region where no trees can grow |
| forest | vegetation region that has evergeen and broadleaf trees |
