Answer:
I think it's d(tint)
Explanation:
because the colour don't change
Dang this is long... lolll... but for me the words are small so I can’t answer :,)
It was created by two painters
1st: Leon Battista Albertie
2cd: Filippo brunelleschi
I hope this helps you
If you wanted to create a blurred background effect when taking a portrait, then it is a good idea to include more back ground in your picture.