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FrozenT [24]
3 years ago
14

Which below is not a way in which a contrail may form?

Biology
1 answer:
user100 [1]3 years ago
3 0
<span>The answer is  Due to heating of the air by the engine exhaust. Contrails are formed when the hot exhaust of the plane engines is rapidly cooled by the cold air in the upper atmosphere. The water vapor in the engine exhaust, formed in the combustion of fuel, freezes immediately to ice crystals due to the low pressure and -36oC  temperatures in the 8000 m altitude in which the planes cruise. </span>




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