The fertile sea Although the oceans sometimes cause great natural disasters, the benefits to the people of the oceans are immeasurable. The seas are essential not only for fishermen but also for the daily lives of all the people of the world. The seas, which provide the fresh air we breathe and the nutritious food we eat, are the lifeblood of the world economy and the livelihood of ordinary people. By sea The seas serve as a voyage to many countries and international trade routes. Marine resources play a vital role in the lives of people in such a wide variety of ways. Oceans with such specialties, let us remember at this moment the glory of the small seas.