Why ocean are salty and great lakes are not? The source of river water are usually snow melt or rain, so it always starts off fresh. But minerals are also dissolved into the river water, so more minerals ultimately â¦ end up in the ocean.
The average annual boarding school tuition is $38,850. Of course, there are some schools with tuition as low as $10,000 and others as high as $60,000.
Dog obedience boarding schools usually cost from $950 to $2,500 or more for two to four weeks of board-and-train, where the dog lives at the trainer's home or at a boarding kennel and receives hours of one-on-one attention daily.