| A | B |
| interdependence | to depend on one another |
| buy | when you give someone money and they give you something you want |
| sell | to give something to someone for money |
| import | buy products from another country |
| export | sell products to another country |
| trade | to give in exchange for something else |
| wood | a natural resource we get from trees |
| fuel | the liquid we put in our cars to make them run |
| depend on | to depend on someone or something else |
| forest | a place with many animals, and plants, like trees, live |