You're question seems to be incomplete.
Perspective allowed for much more life-like paintings and allowed for a three dimensional look.
Answer:
C. 1e+a 2e+a 3e+a 4e+a
Explanation:
All of those add up to sixteen beats
Learn to recognize shapes in three-dimensional objects, and use those
shapes to create representational drawings.
Time 3 hours
Question What shapes can be found in everyday objects? How can I use these
shapes to create realistic drawings?
just a simple shape drawing