Toxins are ____ present in the by-products of combustion.
A. always
B. never
C. sometimes
D. usually
Answer: A
Health Professions
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Finches, sparrows, mynahs, and canaries are all members of which group?
A) psittacine B) columbiforme C) passeriforme D) cuttlebone
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Which is a medical problem resulting from diabetes mellitus?
A. rheumatoid arthritis B. valvular heart disease C. retinopathy D. multiple sclerosis
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