Which one of the following is Alloy?

Which one of the following is Alloy?

مندرجہ ذیل میں سے کون سا الائے ہے؟
Explanation

Steel is an alloy of iron (Fe) and carbon (C), with small amounts of other elements like manganese, chromium, and vanadium.

It's a mixture of two or more elements, where at least one is a metal, making it an alloy.