Name a natural source of particles in the atmosphere.
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Explanation:
Particulate matter (PM) is composed of solid and liquid particles in the air that are small enough to be inhaled. Natural sources of PM include sea salt, dust (such as airborne soil), and pollen, but it also includes material from volcanic eruptions and particles formed from natural gaseous precursors (eg sulphates).
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Particulate matter (PM) is composed of solid and liquid particles in the air that are small enough to be inhaled. Natural sources of PM include sea salt, dust (such as airborne soil), and pollen, but it also includes material from volcanic eruptions and particles formed from natural gaseous precursors (eg sulphates).
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