Artists should place a piece of paper under their hand in order to protect sections of a graphite drawing that have already been completed. question 3 options: true false

True

Explanation:
It is common to have smudges when creating charcoal or soft pencil. drawings.
A common way to avoid smudges is to place some paper (or transparent paper) on top of the drawing and beneath the drawing hand. 
If necessary, the paper may be taped to the desk or drawing canvas. It is also necessary to have a steady drawing hand.

One is symmetrical, one is radial.