Name four of the main functions of epithelia tissues.

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

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 load is the pivot point of a lever.