Brass is produced from copper and zinc. It has many uses. Brass is ............ and is made using these two elements. Brass is used in electrical plugs because it is an electrical ............ . Which pair of words fills gaps 1 and 2 correctly?
- A1 an alloy; 2 conductor
- B1 an alloy; 2 insulator
- C1 a compound; 2 conductor
- D1 a compound; 2 insulator