Design a investigation you could use to find the density of a penny

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate