Answer:A key attribute of a layer mask is its ability to control the visibility of different parts of a layer without permanently altering the original image. This non-destructive editing feature allows you to hide or reveal portions of a layer by painting on the mask with black (to hide) or white (to reveal).
The benefit of this is flexibility: you can make complex selections and adjustments without permanently changing the pixels of the original image, allowing for easy modifications and reversibility.
Explanation: