What do u do if ur friend is having an anxiety attack

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?

How could natural selection best be used to explain the evolution of the white fur of arctic fox