Sulfur dioxide (SO2) is an environmental toxin chiefly because of its action as a
A) gastrointestinal tract irritant
B) skin irritant
C) respiratory tract irritant
D) none of these
Correct Answer:
Verified
Q19: Nitrogen dioxide (NO2) is
A)very dangerous to humans,
Q20: PCBs, or polychlorinated biphenyls,
A)are used today extensively
Q21: Poisons that show up in the environment
Q22: Select the accurate statement.
A)Exposure to lead and
Q23: Substances which in low concentrations can cause
Q25: Teratogens such as thalidomide can cause
A)birth defects
B)anemia
C)hepatitis
D)none
Q26: The air sacks in the lungs by
Q27: The amount of a substance which is
Q28: The author of the ground-breaking book, Silent
Q29: The highest does of a substance at
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