Final answer:
The primary method used to create highlights in reductive shading is erasing or lifting off graphite
Step-by-step explanation:
The primary method used to create highlights in reductive shading is erasing or lifting off graphite. This technique involves applying graphite to the paper and then selectively removing or erasing it to create lighter areas or highlights. By using an eraser or lifting off graphite with a kneaded eraser, an artist can effectively control the value range and create highlights in a drawing.
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