Recent studies indicate that two of the most dangerous components ...

[123654777]

Recent studies indicate that two of the most dangerous components of air pollution in and around major cities in the United States are
 
  A) fine particles and sulfur pollution.
  B) carbon monoxide and ozone.
  C) lead and volatile organic compounds.
  D) radon and carbon monoxide.

Question 2

The Roadless Controversy centers on
 
  A) the introduction of invasive species into ecosystems along roadways.
  B) the spread of solid wastes and pollutants into natural areas from roads.
  C) restricting logging roads to halt timber harvesting and access by off-road vehicles.
  D) preventing court challenges to the legislation by intimidating tourists and hunters.

[hanadaa]

Answer to Question 1

A

Answer to Question 2

C

[123654777]

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[fatboyy09]

Thanks for the timely response, appreciate it