Acylinder has a length of 3.23 cm, a diameter of 1.75 cm, and a mass of 69.61 grams.

(a) what is the density of the cylinder?

(b) based on its density, of what kind of material might it be made?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter