the qualifications are different
There is not a fixed period for an ambassador to serve in any country, but there is a presidential election every 5 years, and new presidents tend to change the foreign service.
They are not. Presidents tend to represent the majority of the population in the country ethnic-wise, though this is not a requirement.
Me and my friend love the same colors, but our favorite foods tend to differ.
They don't differ very much, a theory is just as trusted as a law. Laws tend to be expressed mathematically or logically, while theories tend to be more conceptual.
Many presidents are very tall because people tend to elect taller rulers in the U.S.
Yes, they tend to get richer than what they were since they get a good salary and do not have a lot of expenses. They may not get as rich as they would have gotten in those same years if they were not president. However, after they leave office, president have many special opportunities to make money if they are so inclined.
Their skeletons tend to be on the outside
Ideally, the equitable remedies issued in the courts should not differ according to the gender of the plaintiff. However, remedies do tend to differ for men and women because juries tend to be biased.
Whatever they want for the most part, though they tend to remain active in politics and diplomacy and they nearly always write a book or three. Jimmy Carter is/was a major player in diplomatic circles and was probably more successful in that role than as president. George H.W. Bush and Bill Clinton have both been active in philanthropy and diplomacy. George W. Bush wrote a book.
Males tend to have an earlier onset, a longer course, and more severe schizophrenia, while females tend to have the opposite.
Italy's leaders are chosen through a combination of appointments and elections. For example, the members of the Italian Parliament tend to be chosen by registered Italian voters. But there are members of the Italian Senate who are called 'lifetime Senators'. They tend to be former presidents or presidential appointees for outstanding contributions to the Italian nation. The President is elected, but on the basis of voting by the members of Parliament.
Whether they are Democrats or Republicans, the presidents who have supported big business tend to be referred to in the media as "pro-business." There may be other terms, but that is the most common one.