Question

consequences of invention of copper​

Answer 1

Explanation:

As artefacts made with copper were extremely soft, flexible, and easily became tarnished, people began dipping tin into copper to get copper-tin alloy — later called bronze — which greatly enhanced its hardness.

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Answer 2

Explanation:

As artefacts made with copper were extremely soft, flexible, and easily became tarnished, people began dipping tin into copper to get copper-tin alloy — later called bronze — which greatly enhanced its hardness.