4. B.
5. A.
6. C.
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Answer: any colour plus black
Explanation:
a shade is where an artist adds black to any colour to darken it down.
(nb. a tone is where an artist adds grey to a colour)
ITS D . THEY FIRST SHOWED THE CONTRAPPOSTO POSE, WITH THE WEIGHT SHIFTED TO ONE LEG AND THE BODY IN AN S-CURVE .
