What medium can s-waves not travel through, and what happens when they travel through that medium?

Which of the following areas have the highest population density? a) quebecb) united statesc) californiad) new york city

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand