What do proteins, nucleic acids, and carbohydrates all have in common?

First of all, it is pretty easy to see that proteins, nucleic acids, carbohydrates, and lipids all have some common elements that are combined in different ways. The common elemental ingredients are carbon, hydrogen, and oxygen.

Generally travels west to east but often shifts to north and south

He should put sand around the spill in order to contain it so that it won't spread