The biodiversity and productivity or coral reefs is most similar ...

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The biodiversity and productivity or coral reefs is most similar to that of
 
  A) desert environments.
  B) a natural prairie.
  C) tropical rain forests.
  D) a river system.

Question 2

The 1970 Clean Air Act and subsequent environmental regulations have resulted in
 
  A) reductions in lead by about 99.
  B) reductions in carbon monoxide by about 10.
  C) surprising increases in sulfur dioxide levels by about 5.
  D) surprising increases in radon levels by about 20.

[Jossy]

Answer to Question 1

C

Answer to Question 2

A

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