What is happening in the graph shown below? A. The object is moving at a constant speed toward its starting point. B. The object is standing still. C. The object's speed is changing. D. The object is moving at a constant speed away from its starting point.

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.