This is a test of commonsense. Complete the next sentence:

How to test for mold
Look for telltale characteristics.
Mold often has a fuzzy appearance but can also look like a stain if it's growing on a wall or furniture. Its most common colors are black green, brown, or white.
Mold can feel like cotton, leather, velvet, or sand paper. It usually gives off a musty or earthy odor.