
Sand and soil are both formed from rock. Types of soil form depending on the climate in different parts of the world. The relationship between humans and animals and the soil is a delicate one. Children will learn how soil and sand are formed, the importance of soil, soil erosion...

Sand and soil are both formed from rock. Types of soil form depending on the climate in different parts of the world. The relationship between humans and animals and the soil is a delicate one. Without soil, plants and crops could not grow and animals and wildlife could not live...