PhD Chemist Whistleblower, Worked 17 Years Developing Chemtrails: 90% of Chemtrails Designed to Alter Emotions/Mood/State of Mind and Provoke “Flu-like Symptoms”

General (other)
9

I don't quite understand your reasoning.

I've given you a link to quite a few old books showing and explaining persistent contrails and quite a few pre 1995 of persistent contrails but somehow you say that "It's not proof that persistent contrails that form cloud masses have been around for decades". How?

Bonus question: How come planes in WW2 left persistent contrails sometimes?

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