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.
Although the Canine Lymphoma treatment cost for dogs receiving Prednisone only will vary from vet to vet and from region to region, based on our experience, dog owners can expect to pay between $5 and $20 for a prescription of Prednisone plus the costs for any follow up exams at the vet.ther Canine Lymphoma fighting supplements can cost anywhere from $25 per month for the less expensive supplements, to as much as $100 to $200 per month or more for certain expensive supplements.