This is an important source of human-caused acid deposition A) ...

[tsand2]

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.

[amandanbreshears]

Answer to Question 1

A

Answer to Question 2

E

[tsand2]

Thanks for the timely response, appreciate it

[ultraflyy23]

Gracias!