The three qualities of color refers to colors named and it's location on hue, color is pure form and the color wheel is o<span>utside and the three qualities are inside.</span>
He aided in the discovery of the cog and gear system, which later added into the creation of machinery in the Industrial revolution.
His flying machines gave a new perspective to engineering.
Answer:
all of them;)
Explanation:
why do you think I got this app
a. He drew a horizon line to show where the sky and earth appear to meet.