uruk's streets were lined with goods that its workshops and farms produced. therefore, we know that uruk's complex economy was based on what? a farming and miningb hunting and gatheringc farming and trade d farming and pottery .

Since the streets of Uruk were lined with goods that its workshops and farms produced, we can deduce from this information that its workshops produce potteries and the farms produce crops. Therefore, we know that Uruk's complex economy was based on D) farming and pottery.

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where's the