Relacionar Columnas NATURAL WORLD (AUDIO)Versión en línea U2. Our beautiful planet. English - 5º PRIM. por Nazaret MR 1 It's smaller than a rock. 2 It's a large area of land with little water. 3 It's an area of ground. 4 It's the light and heat produced by burning. 5 It's a large hole inside rock. 6 It's the natural world (land, water, air, plants and animals). 7 It's bigger than a sea. 8 It's smaller than a river. 9 It's smaller than a mountain. 10 It's a small forest.