Question

1. a common reddish brown metal

a. copper b. nickel c. repel d. ferromagnetic

Explanation:

Copper is a common reddish - brown metal. Nickel is usually silvery - white. "Repel" is a verb meaning to push away, not a metal. "Ferromagnetic" is an adjective describing a property (ability to be magnetized), not a metal.

Answer:

A. copper