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.
1 Horse boarding will usually be charged per month and is going to range anywhere from $50 to as much as $1,200 a month.2  Like boarding your cat or dog, the costs will go up based on the attention the horse needs. As mentioned above, it will really come down to what you want to have done to your horse. 2  A premium boarding service such as Oakland Hills Farm, located in Michigan, charges $900 to $1,100 per month for premium care. 3  This include supervised hacks, training, first aid care, blanketing, shoeing and much more.