Birdwatch Note Rating
2023-07-09 06:36:57 UTC - HELPFUL
Rated by Participant: F5F51F18CBA4CF283E1E0F77EC475E54E2D2C40D413BA80AADA11585D8E6FC34
Participant Details
Original Note:
Contrails are formed when water vapour and fine soot particulates from burning jet fuel freeze into ice crystals. In low air humidity, the crystals just dissipate. In higher humidity, they persist, and end up creating visible vapour trails over large areas of sky. https://www.bbc.co.uk/news/blogs-trending-62240071 https://keith.seas.harvard.edu/chemtrails-conspiracy-theory
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