Which of the following is a ferromagnetic magnetic material? a) diamond b) aluminum c) copper d) iron

D) iron

Explanation:

Iron, nickel, cobalt and some of the rare earths (gadolinium, dysprosium) exhibit a unique magnetic behavior which is called ferromagnetism because iron (ferrum in Latin) is the most common and most dramatic example. ... There are many practical applications of ferromagnetic materials, such as the electromagnet.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.