Categorize each statement as true or false. :: Magnetic fields are stronger closer to magnets and weaker farther away. :: Magnetic field lines are tangential to magnetic field vectors. :: Opposite poles attract one another. :: The direction of the magnetic field of a permanent magnet can be changed. :: The direction of the magnetic field of an electromagnet can be changed. :: Some magnets only have one pole, while others have two. :: The S.I. unit of magnetic field strength is the gauss. True False