Which one of the below is the first step to publish the images online, through Adobe Photoshop.

The only way to affect multiple layers at once?

If corrections are made to an 'Adjustment layer', changes reside not only in the adjustment layer but also alter pixels in the image.

In CMYK mode, 'K' stands for:

What does the 'Image Size' command let you do?

Role of the 'History palette' in Photoshop?

What palette contains your text editing options?

What erases solid-colored areas to transparency with a single click?

Best way to remove part(s) of a layer, while leaving yourself the ability to go back and edit it later?

The basic function of the crop tool is to:

Tool to copy one area of an image to another?