Follow On: Dogs are often able to develop a disease known as canine oral papilloma, also known as oral warts. Papillomas are small tumors that are caused by a virus, but they are almost always benign. In puppies, the oral papilloma virus shows up as small patches of what look like cauliflower.
The word earth is from the Old English eorthe, and derived from Proto-Germanic ertho. It is also related to the Old Saxon ertha, the Dutch aerde, and the German erda. The word earth is from the Old English eorthe, and derived from Proto-Germanic ertho.
Where Does Light Come From? Most people know where light comes from. It comes from the sun, from light bulbs, from televisions, but why it comes from these objects is a mystery to many. No matter what the source, light is generally produced via the same mechanism: electrons changing their orbits around nuclei. How does this work?