What is another word for rock layers?

Physical features of central america look at the map above which of the following is true

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves