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.
the other common type of hernia is called an umbilical hernia which occurs in the abdomen an umbilical hernia can also be repaired through laparoscopic or open surgery which can cost an individual without insurance between $ 4000 and $ 11000 the average individual with insurance can expect to pay between $ 700 and $ 2000