Answer:
Ill do YOU one better....WHY is Gamora ?!?!?!
True. adding black is shade and grey is tone
She was married to Alfred Stieglitz and she was most known for modern and abstract paintings
I'm guessing you mean in Photoshop so you would
1. click the ruler tool
2. drag it along the line you know is straight
3. on the options bar, click straighten
hope this helps :)
Answer:
A visual illusion is short for optical illusion.