Discover Questions

Are there different kinds of black holes, for instance, 2d black holes (which form accretion disks), 3d black holes, energy black holes, etc? If the sum of a red die and a green die is 8, what is the probability that one of them is at least 5? Having a problem in logging in despite right password what could be the problem? Why isn't wind green? Can a planet be broken into pieces? If so, how? And will its pieces float?