What is monetary policy and which organization controls monetary policy in the united states?

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

Enter the word you receive when you completed the river valley civilizations activity

Which best describes the connection between a mechanical loom and a cotton gin