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Which of the following led to the study of aerolsolized particulate?
A) Weather Patterrns (Acid Rain)	12 Votes	23.5%
B) Human Sneezing	29 Votes	56.9%
C) Volcanic Activity	8 Votes	15.7%
D) None of the above	2 Votes	3.9%
Total Votes	51 Votes