3 ms·
Temperature and humidity are the main factors in their length and persistence. https://en.m.wikipedia.org/wiki/Contrail https://en.m.wikipedia.org/wiki/Contrai
by elmerfud 3y ago
Temperature and humidity are the main factors in their length and persistence.
https://en.m.wikipedia.org/wiki/Contrail https://en.m.wikipedia.org/wiki/Contrail