thumb just turned black. what is the cause of this problem?
usually a vitamin c deficiency
Frost bite? Poor circulation?
Oxidation of the filament (tungsten)
Too much iron in the water
It is the high temp and the high return Pressure inside the injector that causes the fuel To turn black
the biggest thing that causes brake fluid to turn "black" is high copper content. This is the result of your brake line deteriorating from the inside. when it is black you really should change it. the copper will start wearing out your rubber seals in your brake system, eventually resulting in............................. NO brakes!!!!
Copper pipes will turn black if the cold water running through them constantly condenses. You will see this happen most often during the summer months.
Too much iron in a pool can cause things to turn black. Speak with your pool shop about the right treatment.
If you hit your nail you will get a bruise underneath it and that is what you see on the nail.Or nailpolish.
areally really really realy bad fungus...or frostbite
the sun shoots ultra violent rays to your skin causing discoloration
Near total absorption of incident light in the visible part of the spectrum causes an object to look black. Simply put, a black object doesn't reflect any incident light. because it's black Everything can turn black if you turn off all lights. An object can look black if you paint it black. Optical illusions can also make things look black. Usually, when there is no light reflecting from an object, the object looks black.
Michael was born black. He had a skin condition that destroys the pigment of the skin and causes large and uneven blotches of discoloration.
Bleaching you hair because black dye has alot of blue in it. Yellow and blue makes green.
Smoked meat turns black because the smoke in the meat tension the color which causes it to change in color.
Under CJ's Bed. First turn on the electricfan And then get the THUMB DRIVE.
nothing reaally. -hilary duff
Gangrene due to lack of oxygen or frosbite. You can get frosbite by loosing warmth in your hand.
you apparently got kicked and trampled on alot