Yes, drinking a lot of black coffee can cause darker skin color.
Because coffee becomes brown
Coffee is brown because of a pigment known as a "tannin". The same pigment is responsible for the staining of carpet when coffee is spilled and for staining teeth when drinking coffee.
Green: coffee Red: pizza Brown: black smith Blue: Ice cream
Actually the color of coffee with no additives added can vary greatly. The color of coffee is determined by what coffee berries are used and the duration of the roasting process.
Because coffee is brown
Either black or a deep brown.
A brown dwarf will never become a black dwarf. A black dwarf is what becomes of a white dwarf. This process takes hundreds of trillions of years.
Become a black belt
A brown/black dwarf.
Yes, coffee goes nicely with brown sugar. You can use white sugar in coffee, if you like, but brown sugar (particularly Demerara) has a little more flavour that complements the coffee.
any irregular behavior such as not eating, drinking, or moving as fast as it would. or it can be a dark black or brown.
No, the sun is too small to become a black hole, it will eventually become a brown dwarf, ending it's life cycle.