What function does holding down the CTRL (CMD) key have when using the Pen tool?

Which one allows the user to duplicate a layer inside Photoshop?

Which filter does not exist in Photoshop?

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

Is it possible to choose a source for the Clone Stamp Tool in a different document than the active one?

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?

To quickly convert text into all caps, highlight the text and use the keyboard shortcut:

What is the neutral color of the multiply blend mode?

Which is not an option of type of texture on the glass filter?

Which one is NOT an available Export options?

Which attribute is one NOT able to animate on a normal layer?