As a major component of the natural environment, the oceans are highly useful to mankind. Man obtains resources from the water bodies both in organic resources from the water bodies both organic and inorganic form. At the same time the oceans serve mankind directly as well as indirectly. They are the natural highways are carrying large volume of goods. In addition, they modify the climatic condition. A large number of people are engaged in the extraction of resources from the oceans. Thus it provides a livelihood for millions of people. So the oceans are described as the storehouse of natural resources.
