What has more density helium or aragon

Which of the following is not true about using your local library as a resource while doing research? a. searching library catalogs can you narrow your topic, as well as give you ideas about what resources are available to you. b. most libraries now have searchable databases and many other resources accessible online. c. using the library as a resource is a bit more time consuming, because it cannot be done from home. d. all of the above statements are true.

In what way do you think it would be difficult to live next to the united states

Hamlet act 1 what task does king claudius give to cornelius and voltemand?