There are a few ways to do this in Photoshop. One way is to use the Merge command. Another way is to use the Channel command.
No, you cannot Photoshop 2 pictures together.
To merge 3 photos in Photoshop, you would first select the photos you want to merge and then click on the Merge button.
There are a few ways to merge images in Photoshop 2021. One way is to use the Merge Modes palette. The Merge Modes palette contains five modes: Normal, Merge, Add, Subtract, and Dodge. To merge images using the Merge Mode palette, click on the mode you want to use and then click on the OK button.