Object A has a mass of 10 g and a volume of 8 cm3. Object B has a mass of 10 g and a volume of 6 cm3. Which object has a greater density and by how much? Object A, by 2 grams per cubic centimeter Object A, by 0.42 gram per cubic centimeter Object B, by 2 grams per cubic centimeter Object B, by 0.42 gram per cubic centimeter