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.
All three listed are petroleum products made from crude oil. The difference is in the cracking of the crude by heat and chemicals to make the different products. Gasoline is the fuel for most cars, Oil is used as a lubricant and diesel is used for most large trucks and some cars as a fuel too.DynaFlowHum Â· 6 years ago. Thumbs up.he difference is in the cracking of the crude by heat and chemicals to make the different products. Gasoline is the fuel for most cars, Oil is used as a lubricant and diesel is used for most large trucks and some cars as a fuel too. DynaFlowHum Â· 6 years ago.