Which scientist thought that the atom was the smallest particle in the universe? a. niels bohr b. john dalton c. j. j. thomson d. ernest rutherford

B, John Dalton. He thought that the atom was the smallest particle in the universe

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

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