The correct answer is: A. a natural magnet.
A loadstone is a naturally occurring magnet, also called a lodestone. It is a piece of iron ore that has
been magnetized by the Earth’s magnetic field. Loadstones were first discovered in ancient Greece and were used for navigation and other purposes.A temporary magnet is a magnet that is created by an external magnetic field. Once the external field is removed, the temporary magnet loses its magnetism.
An artificial magnet is a magnet that is created by humans. Artificial magnets can be made from a variety of materials, including iron, nickel, and cobalt.
A paramagnetic alloy is an alloy that is attracted to
a magnetic field. Paramagnetic alloys are often used in magnetic shielding and other applications.None of the above is not a correct answer.