Labels:brachium | monitor | sky | tree | umbrella OCR: ENSI T The amount of mass given object or substance per unit volume Water has density of1 per cubic centimeter so often density represents unitless number relative to water r this manner Earth has density of The "uncompressed density of planet is the density it would have it were Earth's atmospheric pressure throughout The weight of planetary material on the mass below it and closer to the center causes compression of the inner material Therefore that inner material has to have higher density than were the surface the uncompressed density always less than the density calculated by dividing planet's mass by its volume AlL densities quoted ur the planetan facte sections norma densities NOT ENSIT normal