Some conditions can cause the absence of OAE's. These include: cysts, external otitis (swimmer's ear for example), stenosis, or abnormal middle ear pressure, a perforated ear drum, otosclerosis, cholesteatoma.
The Gulf of Mexico (Spanish: Golfo de MÃ©xico) is an ocean basin largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba.
Best Answer: According to NOAA, the number of oil platforms within the Gulf of Mexico, within the United States' Exclusive Economic Zone (EEZ - the area we own) is 3,858. Source(s): Geologist. http://en.wikipedia.org/wiki/File:Gulf_C... Earth Man Â· 6 years ago.