Hello,
Here is your answer:
The proper answer to this question is "Mirror script"! da Vinci's unique style of writing is mirror script because most of his writing are used to reflect something.
Your answer is Mirror Script!
If you need anymore help feel free to ask me!
Hope this helps!
I know that c and d are correct because if you read the paragraph you see that none of the other anwseres relate to the qustion
The answer is sketchbook!
I’m bot completely sure, but since there is minimal shadowing, I would say the technique is contouring
