A32.8 g sample of gold was submerged in water in a graduated cylinder, and the volume reading rose by1.70 ml. what is the density of the gold sample?

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.