Earth is called the blue planet because most of its surface is covered by blue oceans and seas. These salty waters are full of life, and where the ocean meets the land, many amazing creatures live together in special homes.
Learn why Earth is called the blue planet and how oceans and seas create special homes for many living creatures, explained simply for young children.
Earth is called the blue planet because most of its surface is covered by blue oceans and seas. These salty waters are full of life, and where the ocean meets the land, many amazing creatures live together in special homes.