They really have no purpose . But mostly they are created by the jet exhaust freezing and creating ice crystals as the airliner flies in the stratosphere where temperatures are well blow freezing.
Another similar point of view. Jet trails, or condensate trails, have no more purpose than the little cloud formed when you "see your breath" on a cold day. The same principles are involved.
what is the purpose of an audit trail
the trail lead to the north
The purpose of the Iditarod Trail was to serve as a route for delivering mail and supplies to remote Alaskan communities during the winter months.
The original purpose of the Iditarod Trail was to transport mail and supplies to remote Alaskan communities during the gold rush in the early 1900s.
The purpose of them is Trail riding horses because they are better than any other breed of horse on the trail. They also are used as Rodeo horses as well.
It was to transport people rather than freight just like the Santa Fe Trail.
The purpose of them is Trail riding horses because they are better than any other breed of horse on the trail. They also are used as Rodeo horses as well.
sdfs
They needed to get products.
The purpose of the Bozeman Trail was to access the gold fields in Montana. This meant that the trail had to pass through Native American territory. For protection, the US, built three forts. This incursion of Sioux tribal lands instigated a series of deadly raids in 1866.
to honor the memory of those who died on the Trail of Tears
The purpose was to open up a corridor to the west just like the Santa Fe Trail. Although the Oregon Trail was more popular. Kvister Brisngr oh yeah i love smeago snuffle and booboos. I just answered my first wiki answers question