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.
1 Gulf-a part of a lake or ocean that extends so that it is surrounded by land on three sides, similar to, but larger than a bay. 2  Headland-an area of water bordered by land on three sides. 3  Harbor-an artificial or naturally occurring body of water where ships are stored or may shelter from the ocean's weather and currents. Lagoon-a body of comparatively shallow salt or brackish water separated from the deeper sea by a shallow or exposed sandbank, coral reef, or similar feature. 2  Lake-a body of water, usually freshwater, of relatively large size contained on a body of land.