Question

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Which source would provide the MOST bias-free information about second hand smoke as a trigger of asthma?
A) an advertisement by an air-purifying systems corporation
B) an editorial by an asthma sufferer pushing for a ban on public smoking
C) a pamphlet from a tobacco company about the dangers of secondhand smoke
D) a brochure from the respiratory information council at Johns Hopkins University

Answer 1

D > a brochure from the respiratory information council at Johns Hopkins University Eliminate.

Step-by-step explanation:

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Answer 2

a brochure from the respiratory information council at Johns Hopkins University

Step-by-step explanation: