Question

What is sponge tool.... pls tell it's urgent.... ​

Answer 1

Answer:

The Sponge tool is a retouching tool used to alter the saturation of a portion of an image.

Answer 2

Answer:

Sponge tool basically desaturate colours to make them grey.

Explanation:

The "Sponge Tool" is used to change the color saturation of an image. There are two modes of sponge tools: Saturate and Desaturate mode. Desaturate mode dulls the colors, turning them gray. Saturate mode increases the color density, making them brighter.