If the air temperature is low enough to keep the precipitation frozen, it falls as lake-effect snow. For lake-effect rain or snow to form, the air moving across the lake must be significantly cooler than the surface air (which is likely to be near the temperature of the water surface).
Major Health Problems Associated with Childhood ObesityCauses of obesity in children: Physical Activity: Lack of physical activity and a sedentary lifestyle are major contributors to obesity. Low physical activity in children may also be associated with a higher risk of developing cardiovascular disease.
Causes and consequences of childhood obesity. Overweight and obesity in children and youth are increasing at an astounding rate throughout the world. In Canada, according to estimates from the Canadian Community Health Survey, rates of overweight and obesity have risen sharply in the last two decades.