"_______" is the best choice to make a precise color adjustment to an individual channel of a image.

A hollow/white lock icon in the Layers panel means:

There is a standard shortcut to invoke the Flatten Image command.

Which option replaces the color of any edge pixels with the color of pixels farther in from the edge of the selection?

Command to 'soft-proof' your image on-screen in the profile you will print from?

What keyboard command will load a channel as a selection while still keeping all color channels visible?

Maximum number of History States?

Which one will rotate the canvas?

If you use the eraser tool on a black layer mask with white foreground and black background colors, what is the result?

In CS6, Shortcut for applying a feather to a selection that has already been created?

NOT a default script in Photoshop under the File>Scripts> menu?