The oceans are the main and very important part of the hydrosphere, the continuity of the Earth’s water surface, which surrounds both continents and islands, and at the same time has the same salt composition, but an insignificant difference in density. Continents, in turn, divide it into oceans. 96% of the water on the entire Earth belongs to the World Ocean, which is 1338 cubic meters. km. 70.8% – so much it occupies the entire surface of our planet.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.