the black substance obtained on the skin after hard rubbing are actually the dead cells of the skin epithelium which on rubbing mixes with the natural moisturizer i.e. sebum and comes on the skin as the black substance
Your answer is to be found in the link I will make below. It is a bit to lengthy to repeat here.
A Dalmatian has black spots and white skin
generally bleach is what causes white stains in clothing.
Dalmatians usually have black spots. According to breed standards, they can also have brown spots, but this is very rare.
sounds like a tiger moth to me
Black Holsteins are white with black spots, red Holsteins are white with red spots.
No.
black with white spots
panda bears are clear with black markings. did you know their fur is actually clear.
Yes, snow leopards are a dirty white with black spots,
black and white, well mostly white with black spots.
gray backs white spots on the back and white tummy
White w/black stripes.