Oceans

Seen from space, our planet looks like a beautiful blue ball wherewater covers more than two-thirds of its surface and forms the oceansand seas. Would you like to know if there has always been water orwhat navigation was like in other times Can you imagine what an oceanis like inside or by whom its depths are inhabited Do you want to know how we can take better care of our seas In this book, you will findthe answer to these questions and many others. Are you brave enough to venture in