Which statement about the Sponge tool is true?

• A. It is used to remove red-eye.
• B. It saturates color in an area.
• C. It blurs the image.
• D. It saturates or desaturates color in an area.

Answer: (D)

The sponge tool changes how colorful something looks by adjusting color saturation in the area you brush over. It doesn’t blur or remove red-eye or shift brightness; instead you can set it to Saturate to make colors more vivid or Desaturate to mute them, painting over the area to apply the effect. This makes it the best choice for describing its function: it saturates or desaturates color in an area.