"Dust" refers to fine, dry particles of matter that settle on surfaces or are suspended in the air. It is composed of a mixture of natural and man-made materials, including dirt, pollen, skin cells, hair, fibers, and pollution.
"Dust" refers to fine, dry particles of matter that settle on surfaces or are suspended in the air. It is composed of a mixture of natural and man-made materials, including dirt, pollen, skin cells, hair, fibers, and pollution.