Answer:
A. Da Vinci
Explanation:
(For APX)
I'm not completely sure, but I know that Da Vinci was a scientist, he invented wings that were supposed to allow people to fly like a bird. They didn't work very well, however, that is not his only invention, just the one I remember th most.
I believe the answer is A. hue.
If you are making a difference between light and dark shades there will be some sort of hue to it...
heyyyy
it's been a llloooooonnnnnggggg while
how r u
Rick and Morty
D. APPRECIATION
a lot 100%