Which statement about cultural changes in the 1920s is not true?
a. the charleston became a popular dance craze.
b. americans abandoned materialism to return to a simpler life.
c. women bobbed their hair and wore make-up.
d. radio became a popular form of entertainment.

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

World war 2 was caused, in part, by which of these factors?

What were two theories put forth by marx?