what are the smoke trails planes leave only sometimes? 571 viewsJanuary 3, 2024 Question91.92K March 11, 2021 0 Comments what are the smoke trails planes leave only sometimes? In: Engineering 2 Answers ActiveNewestOldest Anonymous Posted March 11, 2021 0 Comments Depends on the density and temperature of the air they’re flying through. That’s why they don’t show up all the time. You are viewing 1 out of 2 answers, click here to view all answers. Register or Login
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