NASA and Lockheed Martin’s X-59 "quiet" supersonic plane flew for the first time in October. It’s a major step towards ...
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Arapahoe Community College, CO
The skies will be clear. The low will be 25°. Good air quality (0-50) Primary pollutant O₃ 38 ppb Pressure is the weight of the air in the atmosphere. It is normalized to the standard atmospheric ...
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