Which prehistoric period of Mesopotamia were the majority of the remains from found in Tell al-Ubaid?
Tell al-`Ubaid: Tell al-'Ubaid (Arabic: العبيد‎ ‎ ) is a low, relatively small tell (settlement mound) west of nearby Ur in southern Iraq's Dhi Qar Governorate. Ubaid period: The Ubaid period (c. 6500 to 3800 BC) is a prehistoric period of Mesopotamia.
i don't know