What was a major factor leading to the erosion of
regional cultural differences in the 1920s?
(1) development of television
(2) growing popularity of radio and motion
pictures
(3) publication of novels by f. scott fitzgerald
and sinclair lewis
(4) expansion of air travel after charles
lindbergh’s flight

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

How are isotopes of the same element alike?

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices