The general function of the strucutre labeled a) convert the incoming sound from pounds per square inch to decibels
b) protect the cochlea
c) regulate changes in the air pressure of the inner ear
d) transfer sound information from the tympanic membrane to the oval window e) provide information to the vestibular system

Icould be wrong but i would say b.

Okay perfect i'll be sure to do that lol

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.