How are ocean useful to man?

Ocean is one of the major landforms of Earth. Water covers more than two-thirds of the Earth’s surface. Ocean is important to our daily life a lot. It produces more oxygen than the Amazones. It regulates the Earth climate. It is important source of food. Different species, creatures and plants depend on oceans. Ocean site is also seen as the best holiday or picnic spot. Oceans should also be maintained at regular interval of time. So many activities produces job opportunities.

Ocean is one of Earth's most precious natural resources.Itcovers more than 70% of land, produces over half of the world's oxygen and absorbs more carbon dioxide than the atmosphere. Theoceanhelpsin keeping our climate cool and controlling weather patterns.Ocean is one of the cheapest mode of transport.About half of the world’s population lives in the coastal areas, and oceanprovides food in the form of fish and shellfish.Fish have been important to the humanlife and fisheries are major contributorsto the world’s economy.