Volcano

Description:

Illustrates four types of volcanoes, explains what causes eruptions and how lava enriches the soil. Includes an interesting description of the development of a volcano.

subjects: Volcanoes,  Juvenile literature,  Mountains,  Earth,  Crust of the Earth,  Geology,  Crust,  Montagnes,  Ouvrages pour la jeunesse,  Géologie,  Volcans