You Really have to find that out your self. for me i looked at others and copied and made random tweaks and then eventually found out What colors material (etc.) that I preferred to use and that lead me to what I draw now
It's hard to explain but it's different for everyone so yea
Linear ,it only goes one way
Positive
It’s simple
Negative
One goes wrong everything is going to be messed up
1.true
6.A
you are welcome for the answer
Probably pop art most likely