Author Question: This is an important source of human-caused acid deposition A) sulfur dioxide. B) lead. C) ... (Read 97 times)

tsand2 · **on:** Jul 13, 2018

This is an important source of human-caused acid deposition
A) sulfur dioxide.
B) lead.
C) mercury.
D) carbon monoxide.
E) volatile organic compounds.

Question 2

Which of the following chemicals is least likely to irritate breathing passages?
A) ozone
B) sulfur dioxide.
C) nitric oxide.
D) nitrogen dioxide.
E) lead.