is dust a part of soil
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Soil dust is also a major component of atmospheric particulates. Naturally occurring silica particles composed principally of silicon dioxide (SiO 2 ) such as quartz can comprise as much as 90-95% of the sand and silt fraction of soil
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Dust is made of fine particles of solid matter. On Earth, it generally consists of particles in the atmosphere that come from various sources such as soil lifted by wind (an aeolian process), volcanic eruptions, and pollution. Dust in homes is composed of about 50% dead skin cells.
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