HOW TO KNOW IF YOU HAVE CENTRAL SLEEP APNEA. Although CSA can be hard to detect, certain symptoms can offer clues that it may be happening. Red flags includeâ¦. â¢ Abrupt awakenings accompanied by shortness of breath, including shortness of breath thatâs relieved by sitting up.
The Panama Canal is important to international trade because its located between the Americas so it makes travel for ships immensely less time consuming and safer. Also it overall shortens distance so it takes less fuel to make the journey from the Atlantic Ocean to the Pacific Ocean or vice versus.
The Erie Canal was so important to the United States (U.S) because it was the water way connecting the Hudson River with Lake Erie through New York State.