The pacific ocean’s mariana trench reaches over 11,000 m, while the deepest.. It covers more than 70% of our planet and holds 96.5% of all water.
The terms the ocean or the sea used without specification refer to the interconnected body of salt water covering the majority of earth's surface, i.e., the world ocean.. Dive deep into the mysteries of marine life, the impact of human activity on earth’s oceans, and the efforts to protect these vital ecosystems from threats including pollution, overfishing, and.