The zander who puts plant juice in his corn patch to it grow is practicing

The soviet union and the united states believed in two very different economic systems. what were the names of each?

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

What new concept did the the american revolution introduce into the world