What is dust made of?
One of the processes of cleaning a room or office space is to dust. It is amazing that even though you can't always see dust in the air, you can see it accumulate on tables and other surfaces. The process of cleaning up dust accumulation is called dusting.
Answer and Explanation:
Dust is made of dead skin cells, pollen, soil/dirt particles, particles of hair, and particles of meteorites.
Most dust particles come from outside a building from dirt that is kicked up into the air; anytime an outside door is opened, dust enters the building. Cracks in windows also allow dust to enter a building. Dust particles can stay in the air for a significant amount of time because they can become charged particles and bounce around off of air particles.
Learn more about this topic:
from High School Physical Science: Tutoring SolutionChapter 1 / Lesson 10
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