The answer is indeed projection. :)
Answer:
A choice.
Explanation:
You may notice some people, movies, etc using green screen on behind-the-scene.
This is because once the background is green or in one color, the person who edits photo or video can clear out the green background and makes the video really realistic.
So what happens if we don't use one color background? Well, it'd be super hard to edit the background and the video might come out weird and messy.
Explanation:
Linear Perspective - By using either 1 point perspective, 2 point perspective, or 3 point perspective, an artist can create the illusion of space. Linear perspective is a drawing method that uses lines to draw objects in space.
Usually they use different shades of one color to make their drawing’s features look artistic and realistic
