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Answer:
C. They all developed near a major body of water.
Explanation:
The earliest known civilizations, in the valleys of the Nile, Euphrates, Tigris, and Indus rivers and in Southeast Asia, have developed near either the Mediterranean or the Indian Ocean.
Not really decorated in that sense as making them look "good" i guess, but they were mostly leather bound and covered in tar to help preserve the wood.
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