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.
Â­To make sure that your pooch or kitty is taken care of while you're away, you consider boarding it. But you cÂ­an't bear the thought of leaving your pet -- a pet that's accustomed to sleeping in the comfort of your bed every night -- with strangers in an unfamiliar place. Plus, the costsÂ­ of boarding can add up. Pet boarding costs range from about $15 to $35 per day, depending on the quality of the facility and the services it offers.