ABSTRACT
Density is another type of ratio. Density, d, is the ratio between the mass and volume of a material: d e n s i t y = m a s s v o l u m e https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429282744/4b1628fb-c55b-4b9d-9fff-6f5f91cdcb42/content/C008_equ_0001.tif"/>
