Answer:
shading, Objects placed higher within the picture plane will appear further away. Size - Objects that are smaller will appear further away from the viewer.
Step-by-step explanation:
Overlapping - occurs when objects that are closer to the viewer prevent the view of objects that are behind them. Placement on the paper - Objects placed higher within the picture plane will appear further away. Size - Objects that are smaller will appear further away from the viewer.hope it helps you!!!