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.
Earth is the third planet from the Sun and it is the only planet known to have life on it. The Earth formed around 4.5 billion years ago. It is one of four rocky planets on the inside of the Solar System.