What are some differences between the space shuttle challenger and Columbia disasters?

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.

The following sentence contains what type of conjunction? he is not only a great player but also an exceptional coach

Wich statements best identifies a problem with this method