The Ocean By Carley Blaine

Ocean currents affect climate in several different ways: they regulate temperature, help to stabilize atmospheric conditions in land regions and bring nutrients to marine environments. Ocean currents form in large and small oceans and seas around the world. They range in size from small currents to large currents spanning vast distances, and run in horizontal and vertical directions.

Dive down into the ocean even a few feet, though, and a noticeable change occurs. You can feel an increase of pressure on your eardrums. This is due to an increase in hydrostatic pressure, the force per unit area exerted by a liquid on an object.

The deeper you go under the sea, the greater the pressure of the water pushing down on you. For every 33 feet (10.06 meters) you go down, the pressure increases by 14.5 psi. In the deepest ocean, the pressure is equivalent to the weight of an elephant balanced on a postage stamp, or the equivalent of one person trying to support 50 jumbo jets!

The ocean is mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobalt can be found in the deep sea) and drilled for crude oil. Also various types of fish, rocks sand, and plants, that can be used for eating and construction.

Credits:

Created with images by skeeze - "divers scuba reef" • cluczkow - "IMGP1663" • phonetography101 - "Lone Rock" • liakapelke - "DSC_0002" • Rising Damp - "Perspective on blue" • ptc24 - "Fish" • Grempz - "Waves" • Kaz - "bar-tailed godwit godwit bar-tailed" • Keith Roper - "Crab" • 44833 - "ocean waves tide" • acidpix - "Temperature in C° + R" • dawnrobinsonwalsh - "Seas 055" • Moyan_Brenn - "Ocean" • boman21 - "freediving deep underwater" • DesignNPrint - "under the sea deep sea fish" • MLundback - "fish" • Pavlofox - "coal miners minerals" • Ruth and Dave - "Ruth scuba dives" • Moyan_Brenn - "Fishing"

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