Which is the most appropriate punctuation for the salutation in a business letter?

Our final exam:

Which type of punctuation separates the name of a city from the name of a state?

All of the following are interrelated components of the speaking voice except one. Which one is the exception?

All of the following would be considered telecommunication hardware except one. Which one is the exception?

Refer to the figure below, and use the information on the map corresponding to the ocean’s climatic regions to answer the following question. When ice forms from seawater, the remaining seawater will have a:

The two factors that are most important in determining the density of air are:

Increasing kVp will result in what x-ray interaction?

The apparent deflection of air masses to the right or left (depending on latitude) as they move from one latitude to another is called the:

A 15 ampere duplex receptacle can be used on a 20 ampere circuit