Natural Resources - Annabel Griffin - Bog

Food, paper, water, gas - everything we use in our daily lives started out as a natural resource. Some natural resources, such as sunlight, are limitless. However others, like oil, are running out fast! Find out... ¿ How the oxygen cycle works. ¿ How fossil fuels are formed. ¿ How the sun, water and wind can be used to generate energy.