Comments by "MRA" (@yassassin6425) on "Your Neighbor Probably Thinks Chemtrails Are Real (They Are Not)" video.

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  3. "There were no chem trails when i was young." There are no 'chemtrails' now, simply persistent contrails as there have been since the early advent of powered flight. "The con trails disappeared within 1 min." Down to one minute now is it? Could you explain why, detailing the physical laws that determine this. "Why is it the trails today expand throughout the day? They never go away." I assure you that they do 'go away'. The conditions in which contrails typically form are also conducive to cloud cover. Moreover, contrails have always expanded. What chemical can you name that is able to grow in mass in the same way as condensed water vapour? A contrail is merely a form of artificially induced cirrus. The governing factors are temperature, humidity and pressure. A contrail may be short lived, persistent of persistent spreading - or it may not form at all. In the regions that commercial aircraft cruise - the tropopause and lower stratosphere - the ambient air is frequently saturated in respect to ice. In cases of high RHi then a contrail will persist because the ice crystals are unable to sublimate back into the invisible gaseous phase (water vapour). However in cases of ice supersaturation, the water present in aircraft exhaust merely initiates the contrail. The growth comes from the available atmospheric moisture budget, which is precisely why a contrail can weigh millions of lbs. It is also the reason that it can spread, thicken and become indistinguishable from regular cirrus. The science of contrail cirrus is explained here: https://journals.ametsoc.org/doi/full/10.1175/1520-0469%282000%29057%3C0464%3AOTTOCI%3E2.0.CO%3B2
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