What does the Use Global Light option in the Layer Style dialog box do when checked?

.... makes the pixels you are painting appear behind the pixels already on that layer, while .... makes the pixels you paint transparent in brush panel.

What are anchor points?

Content Aware Scale tool can work on the locked background layer.

Alpha Channels are basically grayscale representations of saved selections.

Which method of Resample Image gives the lowest image quality?

Which one is not a file extension for the JPEG format?

What does Elliptical Marquee Tool do?

Which key will reset your view of an image while rotating it?

What does using Global Light accomplish?

'B' is a keyboard shortcut for