Step 1: Understanding the Bronze Age.
The Bronze Age marks the period when humans first started working with metals, specifically creating an alloy called bronze. Bronze is made by combining copper with tin, and it was a major technological advancement in early human history.
Step 2: Analyzing the options.
- Option 1 (Copper and Iron): Iron is used in the Iron Age, not the Bronze Age.
- Option 2 (Iron and Tin): This combination does not form bronze.
- Option 3 (Copper and Tin): This is the correct answer, as bronze is an alloy made of copper and tin.
- Option 4 (Stone and Copper): This is incorrect, as bronze is not made from stone.
Step 3: Conclusion.
Bronze is made by alloying copper with tin, marking the Bronze Age as an era of significant technological advancement.
Final Answer:
\[
\boxed{\text{The correct answer is (3) Copper and Tin.}}
\]