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.
Best Answer: Sort of... but a lake has more oxygen and a different ecosystem than swamp waters, too. And there is a difference between a bog and a swamp and a marsh based on location, water source, and plant types.I think the best answer would be that lakes develop a thermocline (two separated levels of different temperature waters) while swamps which are way too shallow,do not.nd there is a difference between a bog and a swamp and a marsh based on location, water source, and plant types.