Answer:
1. Overlapping: occurs when objects that are closer to the viewer prevent the view of objects that are behind them.
2. Placement on the paper: Objects placed higher within the picture plane will appear further away.
3. Size: objects that are smaller will appear farther away
4. Detail: objects that are farther away should have less detail than objects that are closer to view
5. Color and Value: Objects that are further away are cooler in color temperature, while objects that are closer are warmer. Objects that are further away are lighter in value, while objects that are closer are typically darker in value.
6. Perspective: Linear perspective is a drawing method that uses lines to create the illusion of space on a flat surface.