Question

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- An air pollutant, which exists in solid form, is-
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Answer 1

Answer:

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Explanation:

They can take the form of solid particles (such as particulate matter, which is composed of solid or liquid particles from unburnt matter emitted from combustion), liquid droplets (such as acid rain), gases (such as sulfur dioxide and carbon monoxide), or a combination thereof (including some forms of particulate ...