Correct option is A
Stainless steel is primarily made of chromium, nickel, and iron. Chromium gives it its corrosion resistance, while nickel enhances its strength and toughness.
German Silver, despite the name, contains no silver. It is an alloy of copper, zinc, and nickel, known for its silvery appearance and resistance to tarnish.
Bronze is a well-known alloy made from copper and tin, used historically in tools, weapons, and sculptures.
Brass is an alloy made from copper and zinc, commonly used in plumbing, musical instruments, and decorative items.
