What was rutherford's main contribution to the study of atomic structure?

Acontrol during an experiment. might change remains constant does not exist does change

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Explain how to convert from one unit to another in the metric system.