A atmosphere exists when a parcel of air can be lifted to a level where it becomes saturated, a cloud forms, and the rising parcel becomes warmer than the air surrounding it.

How do most people in israel and its neighbors differ from political extremists such as terrorists

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

An refers to a specific factor that has a range of possible values