Is made up of 60 percent copper and 40 percent tin.
silver
bronze
platinum
nickel

The correct answer is B. Bronze

Explanation:

Bronze like steel and other metals is an alloy which means it is created by combining two or more metals or a metal and a non-metal In the case of bronze, this is created as copper and tin are combined. Additionally, the percentage of copper is bigger that hat used of tin, indeed around 12% to 40% is bronze and around a 88% to 60% is copper, although it is also common other materials are added in smaller percentages. Therefore, the alloy or element that is made up of 60 percent of copper and 40 percent tin is Bronze.

im not exactly sure but i think its b!