What is the answer to this question?

adaptations.

Natural selection leads to traits called adaptations, which improve an organisms ability to survive and reproduce.

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.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely