Which statement best describes the role of the skeleton? O provides excretion
O gives shape and support to the body
O helps our heart to beat
O gets rid of solid waste

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.