To answer this question, you need to have knowledge about bronze and its composition. Bronze is an alloy that is traditionally composed primarily of copper and tin. However, in this question, we are asked to identify the two metals that are usually present in bronze.
Let's go through each option to determine the correct answer:
Option A) Copper - This option is correct because copper is one of the primary metals in bronze.
Option B) Gold - This option is incorrect because gold is not commonly found in bronze.
Option C) Iron - This option is incorrect because iron is not commonly found in bronze.
Option D) Steel - This option is incorrect because steel is an alloy composed primarily of iron and carbon, and it is not commonly found in bronze.
Option E) Tin - This option is correct because tin is the second primary metal in bronze.
Option F) Zinc - This option is incorrect because zinc is not commonly found in bronze.
The correct answer is options A and E. Bronze is an alloy usually composed primarily of copper and tin.