An exchange rate is the rate at which a state's __________ can be exchanged for a different state's __________

The advantage of written communication, as opposed to spoken communication is:

a. It allows presenters to interact with the audience. b. It can be more precise. c. It can easily be used to appeal to the emotions of the audience. d. It can be used against an opponent at a later time.

Of the presidents who have served since the Second World War, only five were elected twice

Indicate whether the statement is true or false