The domestication of plants allowed humans to found the first permanent settlements because food supplies became more a. varied b. stable c. necessary d. expensive select the best answer from the choices provided.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.