The fact of the matter is this: the average air duct cleaning for most homes costs between $300 and $500, with the price affected by factors like the size of the home, the number of ducts and their configuration. According to Blue Book International, the average price for air duct cleaning is $35 per vent.
Some snakes, such as boas, rattlesnakes and garter snakes, give birth to live young. That means that the baby snakes develop inside their mother. When they are born they are covered with a thin membrane, kind of like a goopy baggie.The baby uses an egg tooth to rip out of the membrane and wriggle free.ome snakes, such as boas, rattlesnakes and garter snakes, give birth to live young. That means that the baby snakes develop inside their mother. When they are born they are covered with a thin membrane, kind of like a goopy baggie. The baby uses an egg tooth to rip out of the membrane and wriggle free.
A copperhead snake, like the one pictured here, had a litter of four offspring in 2009. The problem was, the snake hadn't had any contact with a male in five years. Scientists confirmed recently the female copperhead was the first evidence of virgin birth in a pit viper snake.