GIVING BRAINLIST TO WHOEVER ANSWERS!! If a material has a volume of 15.6 and a mass of 12.1 what would its density be?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Which of the following is a physical change? a. burning a piece of wood b. sawing a piece of wood in half c. rust forming on an iron fence d. a copper roof changing color from orange to green