That depends on where you live. Near the Canadian border they may hang around all summer, particlarly if it's a cool, wet summer. The further south you go, the shorter the black fly season. In the areas where the season is the shortest, they can persist a few weeks. Again, it depends on how quickly it warms up and how dry the spring is.
How long do house flies live
black code lasted atleast a year
A black cd will last just as long as any other regular cd, however Sony's lazer's are calibrated for the different refraction the black cd's will emit.
until 1350
1 day
They will last as long as you stay in the route apparently using White then Black will negate the effect of the White flute while using Black then White will negate the Black flutes effect.
It lasts until evaporated.
on million year
actually never
what are the advantages of computer
Black olives can last in the fridge for about 2 to 3 weeks before they spoil.
if you are referring to the Fort Laramie treaty of 1851, "As long as the river flows and the eagle flies." -- Rabbit if your'e referring to the later Black Hills Fort Laramie treaty of 1868 ,"as long as the river flows and the grass grows"