Fill in the boxxx..?

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

How did the spanish prove to be excellent allies in the war? give examples?

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?