Where was the center of learning in the Abbasid caliphate? the Forum in Rome
the Library in Alexandria
the House of Wisdom in Baghdad
the Hagia Sophia in Constantinople

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.