salt water is found in the sea. Saltwater can also be called brine.
saltwater is just water and added salt.
because when you go to the coast you need a tank for the salt water fish
By osmoregulation. Differs by species or type of organism, but they are either osmoconformers or osmoregulators.
No! It's name comes from where it was sold. Atlantic City boardwalks that is close to the Atlantic Ocean, which of course is salt water.