Which of the three natural features that served as boundaries in ancient egypt was most important?

The fact that Egypt was so far away from other civilizations made it harder for people to pillage and destroy so they were left to their own . I hope this helped you have a nice day

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.