Which of these is true of sound waves?

a) they can only move through air.

b) they move in all directions.

c) they can be heard in space.

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

Humphreys collecting data for the tearoom trade study under the pretense that he was a lookout is an example of a violation of the principle of: a. justice.b. beneficence.c. respect for persons.

Read the quote by jane addams. "the settlement then, is an experimental effort to aid in the solution of the social and industrial problems in a great city." which of the following best describes what addams meant by the settlement"? chicago immigration hull house the social gospel