Quiz: How does humidity affect the sanding process and the choice July 1, 2025 by Sander Johnson How does humidity affect the sanding process and the choice of sandpaper? Discover more about Sanders and Sanding at our home page. A) Humidity does not affect the sanding process or the choice of sandpaper. B) Higher humidity can cause the sandpaper to deteriorate more quickly, affecting the sanding process. C) Lower humidity levels can make the sandpaper more brittle and less effective. D) Both higher and lower humidity levels can affect the quality of the sandpaper and the sanding process. Submit Answer