Answer:
shading
Explanation:
im pretty sure pls correct me if im wrong and ill edit it :)
In the Lord of the Rings, to make Elijah Wood (Frodo) look smaller, they made him stand/sit in a way where he is farther away, but you can't tell he's farther away because it is an illusion.
1. True (the notes flip around from b up)
2. False (they do)
3. Rational (not 100% sure on this one, but it seems to make sense)