Quote:
Originally Posted by Green Thoughts
But many other scientists say that that is impossible because true water vapor would dissapate within seconds or a few minutes.
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Not above 20,000ft as its so cold up there, that they would turn into ice crystals. How do you think clouds are formed? At the end of the day, clouds are water vapour.
Now surely if the government was going spray people with chemicals, they would do it so the chemicals would disappear after a few seconds/minutes and not visible for hours upon end.