The National Environment Policy Act was passed to enhance and preserve the environment. Which of the ...

The National Environment Policy Act was passed to enhance and preserve the environment. Which of the following is not true?
 a. The act applies to all federal agencies.
  b. The act requires that an environmental impact statement be provided if any proposed federal legislation may significantly affect the environment.
  c. Enforcement of the act is primarily accomplished by litigation of persons who decide to challenge federal government decisions.
  d. The act provides generous tax breaks to those companies that help accomplish national environmental policy.