An open class system is based on social mobility that includes a. Horizontal mobility. C. Intergenerational mobility. B. Vertical mobility. D. All of the above Please select the best answer from the choices provided A B C D.

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.