It is genetic - in my family there is no history of it as it is a recessive gene but my mum and dad were both carriers. In Scotland up to 13% of the population has red hair, but around 40% of the population is thought to carry the recessive gene responsible for the world's rarest natural hair colour.
On the other hand, synthetic base oil molecules are chemically controlled, which provides increased ï¬ lm strength and lubricity over petroleum oils. The performance qualities of base oils have a marked impact on the performance qualities of the ï¬ nished product.
After the oil is distilled, it is used to make a variety of petroleum derivatives with fuel derivatives being the most common. Ad. The major difference between oil and gasoline is the fact that gasoline is a fuel derivative of oil.Its name is shortened to âgasâ in the United States and called âpetrol,â which is shortened from âpetroleum spirits,â in other places around the world.fter the oil is distilled, it is used to make a variety of petroleum derivatives with fuel derivatives being the most common. Ad. The major difference between oil and gasoline is the fact that gasoline is a fuel derivative of oil.