Question: Where did copper come from for bronze age?
Answer: the Earth 's crust
Disambiguated annotations:
qaPairs: question: Where did copper come from for Aegean bronze age?
answer: Republic of Cyprus
Cyprus
question: Where did copper come from in Britain for bronze age?
answer: Great Orme mine
northern Wales
Great Orme
question: Where may have copper come from in Africa for bronze age?
answer: Akjoujt, Mauretania
Mauretania
question: Where may have copper come from in the Middle East for prior to and during the bronze age?
answer: Timna Valley, Negev Desert, Israel
Timna Valley
question: Where may have copper come from in China for prior to and during the bronze age?
answer: Yuanwozhen
Yellow River valley