While traveling in france, jim and his wife, both americans, were concerned about how much they can afford to spend in europe because sometimes the u. s. dollar will buy more goods and sometimes it will buy less, based on changing economic conditions. this change in the values of currencies and how they fluctuate in relation to each other is known as the rate.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

the correct answer is c.

a family can go through many changes which would make it complex. having children can cause a change and increase the complexity. this would change the distribution of authority and management, as the older siblings will at some point be in charge of the younger ones, and discipline must be distributed when they get in trouble.