Question 3 Biochemists are interested in proteins, carbohydrates, lipids, and nucleic acids, which
are all
A) amino acids
D) rats
C) macromolecules
D sugar

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.