Answer:
isotopic Analysis.
Explanation:
Uluburun Shipwreck is a vessel, during the bronze age, which was seen round Turkey. The ship which could have originated from Canaan was carrying a full cargo of trade goods. The main cargo of this ship was raw materials and the most significant item seen there was 348 copper ingots.
Lead isotope analysis used, revealed the ingots were 100% copper that originated from Cyprus.