Photoshop Photo Correction

To use the Rubber Stamp clone tool. What must I do first before I clone? Hold down the alt key and select and area. Hold down the ctrl key and select and area. Hold down the fn key and select and area. Hold down the flag key and select and area. What keyboard short cut do you duplicate your current layer? ctrl+j ctrl+c ctrl+m ctrl+alt Fill in what each tool does on the image. crop tool Clone Stamp Tool Move tool Square Marquette Tool Color Swatch