You know that one way to remove a troublesome background from an image with which you are working is to use Photoshop channels to isolate the background. Before discovering this, however, you have previously used all of the following methods except one to remove backgrounds. Which one of the following could you NOT have used to remove a background?

You have never used channels before but you have heard colleagues tell you how useful they can be, so you decide to do some experimenting yourself.

a. Eraser tool
b. Delete Background command
c. layer masks
d. editing selections





b. Delete Background command

Computer Science & Information Technology

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