| A | B |
| a region | a large land area that has similar features |
| geography | the surface features of a place |
| protect | to keep someone or something safe |
| canal | a narrow waterway that has been dug across land |
| flood | a sudden flow of water that covers what is normally dry land |
| resource | anything that meets people's needs |
| environment | The land,water, and air in which people, animals and plants live |
| dam | a wall built to hold back water |