What was JJ Thomson Atomic theory? Joseph John Thomson discovered the electron in 1897. In 1904,  Thomson suggested a model of the atom as a sphere of positive  matter in which these electrons are positioned â¦by electrostatic  forces.
Cost of Perineal Hernia in Dogs. Stool softeners for dogs are usually $15 for 40 soft chews. Consult your veterinarian before trying human stool softeners on your dog. Enemas ($4 for a 4 pack) are another option.
1 On average, dog cremation is going to cost $50 to $300. 2  Individual cremation is going to cost more than a mass cremation, where the dog will be mixed with other pets. 3  According to Cremationresource.org, the typical cost of dog cremation is around $50 to $150.