not sure if this what you mean, but quality of life is if someones life is worth living and if it's keeping to the standards of a normal, fit life.
Maybe tourism. i think its because many people travel there
<span>Scoop out any soiled bedding. Then, once a week, change the bedding completely and put in fresh bedding. More often if needed, it depends.</span>
Rivers are divided by watershed boundaries, lines that follow the hirght og the loand and the water drians off in the opposite directions. In nature it is virtually impossible to see where oneregion of vegetation starts and ends. Natural vegetation regions gradually change through transition zones.