Bodies of water often were used to create borders EX: in the eastern united states the states borders are rivers because it is easier than making imaginary borders
<span>Waters in the eastern Pacific steadily gets warmer
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El Nino is caused by the periodic shift in wind speed and direction in the tropical eastern Pacific which leads to changes in sea Surface temperatures.
Everything in Earth's<span> system can be placed into one of </span>four major<span> subsystems: land, water, living things, or air. These </span>four<span> subsystems are called "</span>spheres<span>." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).</span>
The Scandinavian Peninsula contains Sweden and Norway, although Finland, Denmark and Iceland are also considered part of the region of Scandinavia.
An ocean current is a continuous, directed movement of sea water generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences.
