The three substances that form natural magnets are _____.

A) iron, boron, and cobalt
B) copper, iron, and cobalt
C) copper, nickel, and boron
D) iron, nickel, and cobalt

Natural Magnets

Materials found in nature, such as magnetite, that possess magnetic properties and generate a magnetic field without any external influence.

Iron

A chemical element with symbol Fe, commonly used in its magnetic form in motors, generators, and transformers due to its ferromagnetic properties.

Cobalt

A chemical element with symbol Co and atomic number 27, known for its strength and high temperature resistance, often used in alloys and batteries.