Question

question: which of the following is the composition of alnico? answer options: select one of four aluminum, nickel, and iron; aluminum, iron, and cobalt; aluminum, nickel, iron, and cobalt; nickel, iron, and cobalt

Explanation:

Alnico is an alloy, and its composition consists of aluminum (Al), nickel (Ni), iron (Fe), and cobalt (Co). By comparing with the options, the one that includes all these elements is "Aluminum, nickel, iron, and cobalt".

Answer:

Aluminum, nickel, iron, and cobalt