You have two images, both have same width and height but one is at 100 pixels/inch and the other at 100 pixels/cm. Which is bigger?

Shortcut for Refine Edge?

You can change the hardness of your current tool (such as a brush) by doing the following:

Holding Opt (Alt) after you start to draw a marquee selection will...

NOT an available option in the Blur Effects panel?

On the Rectangle Marquee Tool, Which style is not an option?

How can you export multiple layers to separate files?

Which shortcut changes the active layer up or down in the layers panel?

What is NOT a filtering option for the Layers panel?

What threshold value sharpens all pixels in an image equally?

In a single selection you can have both straight lines and curved lines by...