The annual health-care costs for people who are extremely obese are almost twice those of normal-weight people. Very sobering is the fact that severe obesity is increasing at a much faster rate than moderate obesity, quadrupling from 1986â2000.6.
As a sea is connected to the oceans, which are salt water, most seas are also salt water. This is not a distinguishing feature between a sea and a lake, however, as lakes are more commonly freshwater but can be salty depending on their source and their surroundings.
sea. 1. the salt waters that cover the greater part of the earth's surface. 2. a division of these waters, of considerable extent, marked off by land boundaries; ocean: the North Sea. 3. a large, landlocked body of water. 4. the turbulence of the ocean or other body of water, as caused by the wind.