The answer to the question Which of the following do African rock paintings have that European and Australian rock paintings don't? would be the A "<span>shading".
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This can be conveyed in HOW some people use shading techniques
Some of these vessels have a cup-shaped cover over the mouth, so that they seemed to be used to store high quality wine such as insamju (인삼주, ginseng wine) or maehwaju (매화주; rice wine made with plum)[6] It would have originally had a lid and there are many maebyong with ginseng leaves on the surfaces.[7]
