When casey opens her eyes in the morning she sees a photograph by her bedside. at that point, her eyes are receiving light energy. her eyes then change the light energy into neural messages for the brain to process. this conversion of one form of energy into another is called:

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.